The following content is taken with permission from Henri C Bailly's excellent Radiant Historia Walkthrough. Special thanks to Henri for allowing me to present his information in this way.

Prologue

Daydream
Automatically completed during the plot.
Children of Historia
Automatically completed during the plot.
Awakening
Automatically completed during the plot.
The Beginning
Automatically completed during the plot.
Night Watch
During "The Beginning" node, choose to "Join the Rosch Brigade". Head down to the First Ward and talk to the soldier on the left to receive this sidequest. The earliest opportunities you have to buy the two Anti-Sleeps are at the Sand Fortress in Standard Chapter 1 (see SAND1) or in Alistel in Alternate Chapter 1 (see ALST5). Repeat the first step and give the two Anti-Sleeps to the soldier to complete this sidequest and receive the Alistel Edge (ATK+16/MAG+6).
Specint Assignment
Automatically completed during the plot.
Force Core
You must defeat Rosch at Judgment Cliff in Standard Chapter 3 (see JUDG3) to win his BROKEN LIMB. Then, return to "The Beginning" node and talk to Sonja to receive the FORCE CORE.
Joining Rosch Brigade
Automatically completed during the plot.
Soldier Recruit
During "The Beginning" node, choose to "Join the Rosch Brigade". Talk to the receptionist behind the desk on the left side of the first floor of the castle to receive this sidequest. Head to the inn and talk to the two mercenaries. Return to the receptionist to complete this sidequest and receive 1500 G.
Top Secret Mission
Automatically completed during the plot.
The Fallen Capital
Upon arriving at Alma Mine, choose to "Wait in Ambush" to unlock this ending.
The Closed Mine
Automatically completed during the plot.
Breaking Rocks
Automatically completed during the plot.
Duel in the Dark
Automatically completed during the plot.

Chapter 1

The King's Daughter
During "The Bridge at Lazvil" node at Alistel, head to the tavern at the Second Ward. Climb the stairs to the left and in the upper left corner, talk to the girl, named Anna, to receive this sidequest. During the "An Ancient City" node at Granorg, head to the item shop at the Commercial District, and talk to the merchant there. During "The Resistance" node at Granorg, talk to Eruca. She can be found wearing a cloak, by a tree at the center of the Downtown area. Tell her to "Fulfill your duty". Return to the "To Granorg" node and talk to Anna to complete this sidequest and receive the RABBIT'S FOOT (MP+10/LUC+15). This sidequest is also a prerequisite for unlocking "The Show Goes On" part of the true ending.
To Granorg
Automatically completed during the plot.
Marco the Calm
During the "A New Mission" node at Alistel, on the right side of the first floor are two doors. Enter the left door and talk to the blue soldier to receive this sidequest. You need to find four scrolls for Marco. 1) Right-Cut Scroll: Reward from "Accident in the Cave" sidequest (see 036). 2) Left-Cut Scroll: Reward from "Despairing Young Man" sidequest (see 103). 3) Sleep Gas Scroll: During "To Cornet Village" at Cornet, Standard Chapter 3, (see CRNT1) check out the field to the right. Walk up between the upper row of crops and the fence to find a hidden chest which contains this scroll. 4) Roll-Cut Scroll: During "To Holff Ruins" at Abyssia Forest (see ABYS1), follow the upper path to a large, open area. Search the upper right corner for a hidden chest which contains this scroll. After you have obtained any of the scrolls, return to the soldier with them, and he will teach the new abilities to Marco. Learn all four abilities to complete this sidequest.
A New Mission
Automatically completed during the plot.
Red-Letter Day
During the "A New Mission" node at Alistel, head up to the castle and through the right door. Enter the laboratory to the left and talk to the woman, named Meese, to receive this sidequest. If you're doing this as early as possible, you will have to talk to Sonja and Raul, then come back down to talk to Sonja again. Return to "The Beginning" node, talk to Rosch on the first floor, and choose to "Send Rosch". Talk to Meese to complete this sidequest and receive the P.Thauma Spear (ATK+23/DEF+2). This sidequest is also a prerequisite for unlocking the "Iron-Armed General" part of the true ending.
Princess' Charge
Follow the above steps up to talking to Eruca. Instead, tell her "Don't push yourself" to unlock this ending.
The Bridge at Lazvil
Automatically completed during the plot.
Raynie the Active
During the "A New Mission" node at Alistel, on the right side of the first floor are two doors. Enter the left door and talk to the blue soldier to receive this sidequest. You need to find four scrolls for Raynie. 1) Darkshield Scroll: During "The Valkyrie" node at the Sand Fortress (see SAND3), head up to the third floor. Walk around the right side, up the stairs, and through the door. Search the right side of the large room for a hidden chest which contains this scroll. 2) Slumbering Scroll: Reward from "Second Opinion" sidequest (see 120). 3) Poisoner's Scroll: This can be found as early as the "Destroy the Ballistas" node in Standard Chapter 5 at the Itolia Wasteland (see ITOL1). From the southern entrance, head north one screen, east one, and north two. Search the upper wall for a hidden chest which contains this scroll. 4) Piercing Scroll: Reward from "The Good Thief's Way" sidequest (see 190). After you have obtained any of the scrolls, return to the soldier with them, and he will teach the new abilities to Raynie. Learn all four abilities to complete this sidequest.
Summoned by Raul
Automatically completed during the plot.
A Knight's End
Follow the above steps up to talking to Rosch. Instead, choose to "Chase after" Sonja to unlock this ending.
The Queen Ascendant
During "The Bridge at Lazvil" node, head to Lazvil Hills (see LZVL3). Go west to the Highway and down the ramp to revise your destination. Walk south to the Woodland Path East, west around the river, and north to the other side of the river. Choose to "Go to Alma Mine" to unlock this ending.
The Messenger's News
Automatically completed during the plot.
What Was Inherited
During "The Bridge at Lazvil" node at Alistel, head to the weapon shop at the Second Ward. Talk to the kids nearby to receive this sidequest. Climb the stairs and enter the upper right house. Talk to their father about the sidequest. During the "An Ancient City" node at Granorg, head to the merchant on the left side of the Downtown area. I think you need to talk to the merchant on the right to get some information, though I'm not sure if this is mandatory. During the "To Cornet Village" node at Cornet, talk to the farmer in the field on the right. Return to the "To Granorg" node and talk to the father. Initially, choose "Don't tell him" about the conuts. This will unlock another option. Return to the same node and choose "Tell about reforestation" to complete the sidequest and receive the PANDUR (ATK+4/MAG+24/SPD+1). This sidequest is also a prerequisite for unlocking the "Overseers of Time" part of the true ending.
Through Lazvil
Automatically completed during the plot.
Flower of Promise
During the "A New Mission" node at Alistel, talk to the woman by the flowers in the lower right corner on the first floor to receive this sidequest. Proceed to "The Beastkind Forest" node at Celestia. Talk to the Satyros above the save point to receive a Celestian Flower Bud. Return to "The Beginning" node and give it to the questgiver. Continue to the "A New Mission" node and talk to her again to complete this sidequest and receive a THAUMATECH ORB (MAG+5/MDF+5).
Accident in the Cave
After learning the Bomber skill at Lazvil Hills, return north to where you met the spy and enter the cave. Use the barrel to blow away the rocks. Examine the corpse to receive this sidequest. Return to "The Beginning" node and choose to Join the Rosch Brigade. Continue on with the plot as before and return to the site of the cave-in. Use the barrel to blow away the rocks. Talk to the soldier to complete the sidequest and receive the RIGHT-CUT SCROLL for Marco, needed for the "Marco the Calm" sidequest.
No-Show
Automatically completed during the plot.
Distorted Hope
Follow the above steps up to talking to the father again. Instead, choose to "Tell him" about the conuts to unlock this ending.
Heiss' Intentions
Automatically completed during the plot.
A Letter to Tomorrow
During the "A New Mission" node at the Second Ward of Alistel, climb the stairs to the left of the tavern, and head all the way down to talk to the man named Cedric to receive this sidequest. Proceed to "The Valkyrie" node at the first floor of the Sand Fortress. Walk around to the right, into the upper middle room, and talk to Viola. Continue to "Alistel's Offensive" node and talk to Viola again. Return to Cedric and choose to "Show journal" to complete this sidequest. This sidequest is also a prerequisite for unlocking the "Valkyrie in Repose" part of the true ending.
Struggle with Bandits
Automatically completed during the plot.
Echoing Hills
Automatically completed during the plot.
Engineer Recruit
During the "A New Mission" node at Alistel, talk to the receptionist behind the desk on the left side of the first floor of the castle to receive this sidequest. Return to "The Closed Mine" node, leave the mine, enter the house by the entrance, and talk to the engineer, Berman. Return to the receptionist to complete this sidequest and receive 3000 G.
Reporting to Viola
Automatically completed during the plot.
A Voice Unheard
Follow the above steps up to returning to Cedric. Instead, choosing "Don't show journal" will unlock this ending.
Breakthrough
Automatically completed during the plot.
The Valkyrie
Automatically completed during the plot.
Kiel's Talent
During "The Valkyrie" node, head up to the second floor of the Sand Fortress (see SAND2). Talk to Kiel on the left end of the floor to learn sword-dancing, upgrade your Strike ability, and unlock this node.
Beastkind
Automatically completed during the plot.
Conditions Worsen
Automatically completed during the plot.
Front of Despair
During "The Valkyrie" node, head up to the mess hall at the Sand Fortress (see SAND2) in the upper middle room on the first floor, and talk to Rosch to advance the plot. Choose to "Send Reinforcements" to unlock this ending.
A Sealed Path
During the "Beastkind" node, head west to the guard checkpoint at Gran Plain. Choose to "Force your way through" to unlock this ending.
Stocke's Display
Automatically completed during the plot.
Ambush Tactics
Automatically completed during the plot.
Sword Dancing
Automatically completed during the plot.
Sand Fortress Battle
Automatically completed during the plot.
Preparing a Meal
Automatically completed during the plot.
Collecting Wood
Automatically completed during the plot.
A Message From Home
Automatically completed during the plot.
The Sister
During the "Madness of Heiss" node (see IMPR1), return to the "Aht's Prayer" node. Defeat Heiss to unlock this node.
Aht's Prayer
Automatically completed during the plot.
An Ancient City
Automatically completed during the plot.
The Ultimate Dish
During the "An Ancient City" node at Granorg (see GRNG1), head west to the Commercial District. Continue west to the merchants and talk to a man, named Hilster, dressed in green, to receive this sidequest. Return to the "A New Mission" node at Lazvil Hills (see GRNG2) and head to the Woodland Path. Defeat the Giant Boar to receive the SAVORY BOAR MEAT. Do NOT give this to Hilster yet, or you will lose it and have to do this over again. During the "To Cornet Village" node at Cornet (see CRNT1), search the left field for a sparkle that is the SAVORY VEGGIES. Return to the "Castle Sewers" node and talk to Hilster to complete this sidequest and receive the FIRELIGHT PACT for Eruca, needed for "The Light Trial" sidequest.

Chapter 2

Duty Revealed
Automatically completed during the plot.
Mankind & Beastkind
During the "Duty Revealed" node at Granorg, talk to the guard by the save point at Main Street, to receive this sidequest. Go west to the inn, walk around its left side, and up the stairs to the west fo find Liese and talk to her. Return to the soldier and talk to him again. Proceed to the "To Holff Ruins" node at Abyssia Forest. Head south, then east two screens and talk to Liese. Return to the entrance, and follow the northern path to the next screen until you reach an open area. Examine the corpse in the upper right corner. Head back to Liese to talk to her again. Return to the "Castle Sewers" node, talk to Liese, and tell her to "Believe in him". Talk to the soldier by the save point to complete this sidequest and receive the PROMISED KNIFE (ATK+27/MAG+75/HP-30) for Aht. This sidequest is also a prerequisite for unlocking the "Life of the Beastkind" part of the true ending.
Alistel's Offensive
Automatically completed during the plot.
Viola's Decision
After the "Wolf in the Fold" node, return to "Alistel's Offensive and talk to Viola to unlock this node.
One and Only
During the "Duty Revealed" node at Granorg, go west to the inn at the Downtown area. Head upstairs and into the right room. Talk the man, Kaizan, to receive this sidequest. Return to "The Closed Mine" node and talk to the miner in the house. Return to "The Beginning" node, head to the second floor of the inn to find Kaizan and talk to him. Return to the "Castle Sewers" node and talk to Kaizan again. Return to Alistel and talk to him again. Finally, return to Granorg and talk to him to complete this sidequest and receive the Firestar Pact for Aht, needed for "The Starlit Trial" sidequest.
Castle Sewers
Automatically completed during the plot.
Chains of Hatred
Follow the above steps up to talking to Liese at Granorg the second time. Choose to "Leave it to her" to unlock this ending.
Battle of Gran Plain
Automatically completed during the plot.
Escort
During the "Secret of the Sewers" node at the Underground Waterway (see UGWW1), you need to find Claire in the lower right area of the sewers. Escort her out of the sewers to unlock this node. This is a prerequisite to unlocking the "Something Precious" and "The Impregnable" nodes later.
Secret of the Sewers
Automatically completed during the plot.
A Meeting Too Late
Automatically completed during the plot.
The Lion General
During the "Battle of Gran Plain" node (see GRAN3), go north one screen and west two. Choose to "Go north" to unlock this ending.
Fated Assassination
During the "Secret of the Sewers" node, having infiltrated Granorg Palace, choosing "I'll be the decoy" will unlock this ending.
How to Disappear
Automatically completed during the plot.
Rosch in Crisis
Automatically completed during the plot.
Wolf in the Fold
Automatically completed during the plot.
High Alert
Automatically completed during the plot.
Lives Entrusted
Automatically completed during the plot.
Success Infiltration
Automatically completed during the plot.
Homecoming
Automatically completed during the plot.
Swordsman Recruit
During the "Homecoming" node at Alistel, talk to the receptionist on first floor, behind the left desk to receive this sidequest. Proceed to the "A New Battle" node (see CGNS1). You will need to complete "The Next Foe" (see 136) and "The Road to Victory" (see 137) sidequests. After doing so, talk to Gadeff to recruit him. Continue to the "In Pursuit" node at Alistel, and talk to the receptionist to complete this sidequest and receive 8000 G.
Princess of Light
Automatically completed during the plot.
Parting Ways
Automatically completed during the plot.
Mercenary Recruit
During the "Homecoming" node at Alistel, talk to the receptionist on first floor, behind the left desk to receive this sidequest. Proceed to "An Introduction" node at Skalla. After meeting with Tarquin, talk to him a few times to get some information on the mercenary. Return to the "Echoing Hills" node, defeat the bandits again, and talk to Tarquin. Return to Skalla and talk to Tarquin again. Finally, continue to the "In Pursuit" node at Alistel, and talk to the receptionist to complete this sidequest and receive 15000 G.
Flight
Automatically completed during the plot.
Fiendish
Automatically completed during the plot.

Chapter 3

Sand Sword
During "The Resistance" node at Granorg, talk to Will at the bar to unlock this node. Proceed to "An Introduction" node. After arriving at Skalla, follow Tarquin inside his shop to receive the Sand Sword. Return to "The Resistance" node and give it to Will. This is a prerequisite for unlocking the "Will's Sword", "Will to the Rescue", and "The Impregnable" nodes later.
The Resistance
Automatically completed during the plot.
The Beastkind Forest
Automatically completed during the plot.
Despairing Young Man
During "The Resistance" node at Granorg, go east two screens and up one. Talk to the woman dressed in pink to receive this sidequest. Return to the "Duty Revealed" node, head to the same area, and talk to the man in the cloak. Return to "The Resistance" node to talk to him again to complete this sidequest and receive the Left-Cut Scroll for Marco, needed for the "Marco the Calm" sidequest.
To Cornet Village
Automatically completed during the plot.
Unacceptable Loss
Automatically completed during the plot.
Gauntlet
Automatically completed during the plot.
Evil Tidings
Automatically completed during the plot.
Beastkind's Favor
Automatically completed during the plot.
Capital in Flames
Automatically completed during the plot.
Report from Vanoss
Automatically completed during the plot.
Will's Sword
Return to "The Resistance" node. Proceed with the plot up to the "Capital in Flames" node. If you gave the Sand Sword to Will (see 085), you will automatically unlock this node.
Eruca's Whereabouts
Automatically completed during the plot.
Second Opinion
During the "Darkness in Alistel" node, go up to the Second Ward and climb the two staircases to the left. Talk to the woman above to receive this sidequest. Return to the "A New Mission" node and talk to the man in the same location. Return to the "Darkness" in Alistel" node and talk to him again to complete this sidequest and receive the Slumbering Scroll for Raynie, needed for the "Raynie the Active" sidequest.
Darkness in Alistel
Automatically completed during the plot.
Wandering Soul
During the "Darkness in Alistel" node, head up and Vanoss will arrive. Talk to him again to receive this sidequest. Proceed to the "Road to Forgia" node and make your way to Skalla. Head to the middle house on the north side of town. Search around the bed for a hidden soul and choose to "Send soul to heavens". Continue to the "Skalla Liberated" node and head to Skalla. Talk to Vanoss at the northwest side of town to complete this sidequest and receive the Cleansing Cape (DEF+30/MDF+36/MAG+5). This sidequest is also a prerequisite for unlocking the "Shaman" part of the true ending.
Aht's Fight
Automatically completed during the plot.
Battlefield Missive
During the "Darkness in Alistel" node, go up to the Second Ward and climb the stairs to the right. Talk to the boy by the weapon shop to receive this sidequest. Return to "The Valkyrie" node, head up to the mess hall where Rosch and Viola were, and talk to the soldier sitting on the bench to receive the Death Pact for Stocke, needed for "The Blades Trial" sidequest. Finally, return to the "Darkness in Alistel" node and talk to the boy to complete this sidequest and receive a Celestial Oil.
Reunion with Raul
Automatically completed during the plot.
Fleeting Peace
Follow the above steps up to finding the hidden soul. Instead, choose to tell Aht, "Don't do anything" to unlock this ending.
Pierre's Betrayal
Automatically completed during the plot.
Premonition of War
Automatically completed during the plot.
Something Precious
Return to the "Pierre's Betrayal" node. If you rescued Claire from the Underground Waterway (see 061), then you will automatically unlock this node.
Rescue the Princess
Automatically completed during the plot.
Assassination of Dias
During the "Rescue the Princess" node at Granorg, head to the Castle Gates. Talk to the man in the cloak to receive this sidequest. Return to the "Aht's Prayer" node and proceed to Granorg. Head to the second floor of the inn to find Dias. Talk to him, then choose to "Leave". Return to the questgiver to complete this sidequest and receive the Rose Ring (HP+10/ATK+5). This sidequest is also a prerequisite for unlocking "The Lives of Humans" part of the true ending.
Shattered Steel Arm
Automatically completed during the plot.
Assassination of Raul
During the "Premonition of War" node at Celestia, talk to Rosch at the Boundary Tree, then Raul, then Barranca. Choose to "Nominate Raul" to unlock this ending.
Wounded Otto
Automatically completed during the plot.
The World's Betrayal
Follow the above steps up to talking to Dias. Instead, choose to "Accept invitation" to unlock this ending.
Rosch in Agony
Automatically completed during the plot.
Will to the Rescue
Return to the "Wounded Otto" node. Proceed with the plot normally. If you gave the Sand Sword to Will (see 085), you will automatically unlock this node.
Breakthrough
Automatically completed during the plot.
Lion's Awakening
Automatically completed during the plot.
Aht's Camp
Automatically completed during the plot.
Stray Lion
Return to the "Death of a Friend" node. Choose to "Leave it to Marco" to unlock this ending.
Death of a Friend
Automatically completed during the plot.
Rosch in Fury
Automatically completed during the plot.
East and West Battle
Automatically completed during the plot.

Chapter 4

Imprisoned Stocke
Automatically completed during the plot.
Celestian War
Automatically completed during the plot.
Conversion
During the "Celestian War" node, enter the Patriarch's House and talk to Sonja to receive this sidequest. You need to find three cores for Rosch. 1) Impale Core: After learning Mana sight, return to "The Closed Mine" node, leave the mine, and enter the house by the entrance. Search around for a hidden chest which contains this core. 2) Blast Core: During the "In Pursuit" node at the Underground Lab (see ULAB1), make your way down to the 5th basement level. Head up past the intersection and hug the left wall until you can go through a path that is rather hard to see. Defeat the Special Thaumachine there to win this core. 3) Haste Core: Reward from the "A Scholar's Creed" sidequest (see 207). After you have obtained any cores, return to Sonja at "The Celestian War" with them, and she will install them in Rosch's Gauntlet. Learn all three abilities to complete this sidequest.
Gladiator
Automatically completed during the plot.
A Friend to Elm
During the "Celestian War" node, talk to Elm to unlock this node.
Saving Aht
Automatically completed during the plot.
Blade's Resurrection
During the "Demigod" node, defeat Hugo the first time to receive the Historica. Return to the "Celestian War" node, and talk to Elm to unlock this node.
Inquiry in the Desert
Automatically completed during the plot.
Winds of War
Automatically completed during the plot.
The Tournament
Automatically completed during the plot.
Call to Destruction
Automatically completed during the plot.
Aht's Sacrifice
During "The Tournament" node at Cygnus, win the first two rounds of the tournament (see CGNS1). Talk to the mercenary again for round three and choose to "Go with Aht's Plan" to unlock this ending.
Chi-Clad Warrior
Automatically completed during the plot.
A Beastkind Warrior
During "The Tournament" node at Cygnus, win the first two rounds of the tournament (see CGNS1). Talk to the mercenary again for round three and choose to "Stop Aht". Return to the "A New Alliance" node, talk to Raul, and choose to "Team up with Forgia" to unlock this node.
A New Alliance
Automatically completed during the plot.
The Eternal War
During the "Call to Destruction" node and talk to Raul. Choose to "Join with someone else" and "Team up with Granorg" to unlock this ending.
Breaker of Chi
Automatically completed during the plot.
Gafka's Past
Automatically completed during the plot.
A New Battle
Automatically completed during the plot.
Search for Friends
Automatically completed during the plot.
Southbound
Automatically completed during the plot.
The Next Foe
During the "A New Battle" node, talk to the mercenary, Gadeff. Defeat the Crush Bear (see CGNS1) to complete this sidequest and receive the Pieti Edge (ATK+30/MAG+39/SPD-2). This sidequest is also a prerequisite to the "Swordsman Recruit" and "The Road to Victory" sidequests.
The Great Menace
Automatically completed during the plot.
Road to Forgia
Automatically completed during the plot.
The Road to Victory
After completing "The Next Foe" sidequest, talk to Gadeff again to receive this sidequest. Defeat the Mist Spider (see CGNS1) to complete this sidequest and receive the Moirae Manteau (DEF+48/MDF+41). This sidequest is also a prerequisite to the "Swordsman Recruit" sidequest.
Desert City Messiah
Automatically completed during the plot.
Gafka's Homeland
Automatically completed during the plot.
A King's Decision
Automatically completed during the plot.

Chapter 5

Hedge in Exile
During the "Warlord's Request" node, you will receive the Bloodied Armlet. Return to the "Desert City Messiah" node and with the Armlet, you will automatically unlock this node.
Scorching Battlefield
Automatically completed during the plot.
An Unwanted Reunion
During the "Scorched Battlefield" node, head west of the inn to the Plaza. Talk to Ricky along the main road to receive this sidequest. Head to the tavern and talk to the green-haired girl, Mimel, twice. Return to the "Chi-Clad Warrior" node and talk to the bartender. Return to the "Scorched Battlefield" node, talk to Mimel again, and choose to "Let Mimel go." Talk to Ricky again to complete this sidequest and receive the Sable Larme (DEF+33/MDF+25/MAG+5). This sidequest is also a prerequisite for unlocking the "A Little Hero" part of the true ending.
Battle for Skalla
Automatically completed during the plot.
A Mighty King's Death
During the "Scorched Battlefield" node at Cygnus, talk to Garland at his room. Choose to "Stay in Cygnus" to unlock this ending.
Warlord's Request
Automatically completed during the plot.
Simmering Fury
Follow the above steps until you confront Mimel the second time. Choose to "Capture Mimel" to unlock this ending.
Rosch's Stratagem
Automatically completed during the plot.
Dias Strikes
Automatically completed during the plot.
Skalla Liberated
Automatically completed during the plot.
Gafka & the Scrolls
During the "Sand Fortress Siege" node at Forgia, head to the village entrance and talk to Bergas to unlock this node.
Stocke Strikes
Automatically completed during the plot.
The Beast God's Birth
During the "Sand Fortress Siege" node at Forgia, talk to Galva to receive this sidequest. Proceed to "The Royal Secret" node and head to Gran Plain (see GRAN5). Go north, west, and south one screen to South Hill. In about the lower left corner, you will see a cross on the ground. Examine it to obtain the Beast God's Nail. Return to "Gafka & the Scrolls", talk to Galva, choose to "Wait" and "Stop the ceremony" to complete this sidequest and receive the Magic Fist Forza (ATK+67) and TRISTRIKE BOOK for Gafka, needed for "The Ultimate Skill" sidequest. This sidequest is a prerequisite for unlocking the "Beast God at Rest" part of the true ending.
Sand Fortress Siege
Automatically completed during the plot.
The Ultimate Skill
During the "Sand Fortress Siege" node at Forgia, head to the village entrance and talk to Bergas to receive this sidequest. You will need to find four books for Gafka. 1) Strongman Book: Search the east side of the entrance of Forgia to find a hidden chest which contains this book. 2) Tristrike Book: Reward from "The Beast God's Birth" sidequest (see 175). 3) Wind God Book: On B4 of the Underground Lab, head up to a platform that you should search for a hidden chest which contains this book. 4) Omnipedia Book: Reward from the "A Timely Warning" sidequest (see 213). After you have obtained any books, return to Bergas at "Gafka & the Scrolls". Defeat him each time and learn all four abilities to complete this sidequest.
Secret Weapons
Automatically completed during the plot.
Beast God's Reign
Follow the above steps until you begin the ceremony. Choose "Don't say anything" to unlock this ending.
Commander's Fall
Automatically completed during the plot.
At Journey's End
This one is very tricky, as it has prerequisite choices to even access the sidequest, and the game doesn't tell you. There are three decisions you have to make over the course of the game. 1) During the "Breakthrough" node at Gran Plain (see GRAN1), head north one screen and west to the checkpoint. You will hear someone in distress back east. Make sure to choose "Let's go save her now." 2) After the "Wolf in the Fold" node (see GRAN3), return to "Alistel's Offensive" and talk to Viola. Return to the "A Meeting Too Late" node and proceed with the plot normally. Make sure to choose "I leave it to you." 3) During the "Commander's Fall" node at the Sand Fortress (SAND6), defeat the Thaumaton boss at the end. Afterwards, make sure to choose "Bring back now." Despite that last decision occuring AFTER the time when you can access the sidequest, it is indeed a prerequisite. Return to the "Gafka & the Scrolls" node and head to Skalla. Talk to Marco by the item shop. Then, talk to Raynie by the inn and choose "I can't give up." Talk to Marco again to complete this sidequest and receive the Priere Bonheur (ATK+15/MAG+32/Fear Res+5). This sidequest is a prerequisite for unlocking the "A Warrior in Love" part of the true ending.
Garland's Arrival
Automatically completed during the plot.
Forbidden Weaponry
Automatically completed during the plot.
Oncoming Calamity
Follow the above steps until you talk to Raynie about Marco's concerns. Choose "I'll stop fighting" to unlock this ending.
Destroy the Ballistas
Automatically completed during the plot.
Etherion
Automatically completed during the plot.
Divine Judgement
During the "Forbidden Weaponry" node, talk to Rosch and join the meeting. Choose to "Accept the truce" to unlock this ending.
Terrain Advantage
Automatically completed during the plot.
Royal Talisman
Automatically completed during the plot.
A New Journey
Automatically completed during the plot.
A Black Disciple
Automatically completed during the plot.

Chapter 6

Waiting at Skalla
Automatically completed during the plot.
The Living Legend
During the "Waiting at Skalla" node at the Itolia Wasteland, go north one screen, west one, and continue west and up to a well. Climb down the wall to meet a man named Sword to receive this sidequest. Return to "The Beginning" node at Alistel. Talk to Wand, the boy inside the weapon shop, and choose "Hope." Return to "The Messenger's News" node and search the upper right corner to find the Shade Pact for Stocke. Return to the "Castle Sewers" node in Granorg. Talk to a man in the lower left corner named Pentacle, and choose "The past." Return to the "How to Disappear" node, go down the sewers, and head west one screen. Search the left of the upper paths to find the hidden Sunlight Pact for Eruca. Return to "The Beastkind Forest" node and talk to Chalice, the lady by the equipment shop and choose "All things". Search to the left of the sparkling bushes at the center of town to find the hidden Meteorite Pact for Aht. Talk to Sword again to complete this sidequest.
Flux War
Automatically completed during the plot.
Merchant Tarquin
During "An Introduction" node, enter Tarquin's shop and talk to him to unlock this node.
An Introduction
Automatically completed during the plot.
The Three Contracts
After completing "The Living Legend" sidequest, talk to Vainqueur to unlock this node.
The Royal Secret
Automatically completed during the plot.
Moon Armlet
During the "Waiting at Skalla" node, return to Cygnus and talk to Garland to receive this sidequest. Head to the Itolia Wasteland, then go north one screen, east one, and north two. You should see a small rock formation in the middle. Search around there for the hidden Moon Armlet. Return it to Garland to complete this sidequest and receive the Suna-Watari (ATK+42/SPD-4).
To Holff Ruins
Automatically completed during the plot.
The Blades Trial
After completing "The Living Legend" sidequest, talk to Vainqueur to unlock this sidequest. You will need to find four Pacts for Stocke. 1) Fire Pact: After learning Mana Sight, return to "The Beginning" node at Alistel. Head down to the First Ward, and search the alley behind the item shop for a hidden chest which contains this Pact. 2) Death Pact: Reward during the "Battlefield Missive" sidequest (see 121). 3) Shade Pact: Found during "The Living Legend" sidequest (see 191). 4) Soul Pact: During "The Road Perilous" node, defeat all the Floating Stones at the Royal Hall. In the upper right part of the area are hidden barrels. Drag one of them all the way down to the rocks at the beginning. Blow away the rocks in the upper right corner to get a hidden chest which contains this Pact. After you have obtained any Pacts, return to Vainqueur at "The Three Contracts" and he will teach the new abilities to Stocke. Learn all four abilities to complete this sidequest. This sidequest is also a prerequisite to gain access to "The Final Trial" sidequest.
Turning of the Tide
Automatically completed during the plot.
The Good Thief's Way
During the "Waiting at Skalla" node, return to Cygnus. Talk to Hertz & Bram by the equipment shops to receive this sidequest. Return to "The Beginning" node at Alistel and talk to the child by the tavern. Return to the "Castle Sewers" node at Granorg and talk to the boy to the left of the inn. Finally, return to Hertz & Bram to complete this sidequest and receive the Piercing Scroll for Raynie, needed for the "Raynie the Active" sidequest.
The Beast Mark Trial
Automatically completed during the plot.
The Starlit Trial
After completing "The Living Legend" sidequest, talk to Vainqueur to unlock this sidequest. You will need to find four Pacts for Aht. 1) Firestar Pact: Reward from the "One and Only" sidequest (see 069). 2) Meteorite Pact: Found during "The Living Legend" sidequest (see 191). 3) Thunderstar Pact: During "An Introduction" node at Skalla, search below the weapon shop for a hidden chest which contains this Pact. 4) Icestar Pact: During "The Sacrifice" node at the Imperial Ruins (see IMPR1), climb down to the lowest level. In the upper right corner is a secret passage you can walk through to a hidden room. Search for a hidden chest which contains this Pact. After you have obtained any Pacts, return to Vainqueur at "The Three Contracts" and he will teach the new abilities to Aht. Learn all four abilities to complete this sidequest. This sidequest is also a prerequisite to gain access to "The Final Trial" sidequest.
Viola's Last Stand
Automatically completed during the plot.
Overcoming the Trial
Automatically completed during the plot.
The Light Trial
After completing "The Living Legend" sidequest, talk to Vainqueur to unlock this sidequest. You will need to find four Pacts for Eruca. 1) Firelight Pact: Reward from "The Ultimate Dish" sidequest (see 037). 2) Protection Pact: During the "Gladiator" node at Cygnus (see CGNS1), head to the Back Alley area by the tavern. Search behind the wall in the lower left corner to find a hidden chest which contains this Pact. 3) Sunlight Pact: Found during "The Living Legend" sidequest (see 191). 4) Divine Pact: Found in a hidden chest at Holff Ruins (see HOLF1). After you have obtained any Pacts, return to Vainqueur at "The Three Contracts" and he will teach the new abilities to Eruca. Learn all four abilities to complete this sidequest. This sidequest is also a prerequisite to gain access to "The Final Trial" sidequest.
In Pursuit
Automatically completed during the plot.
Premature Invasion
During the "Overcoming the Trial" node, talk to Bergas and choose to "Lead the way" to unlock this ending.
The Final Defense
Automatically completed during the plot.
The Final Trial
After completing "The Blades Trial", "The Starlit Trial", and "The Light Trial", talk to Vainqueur again to receive this sidequest. Defeat him (see HALL1) to complete this sidequest and receive the True Historica (ATK+70/MAG+34/SPD+5).
Demigod
Automatically completed during the plot.
Hugo the Omnipotent
During the "In Pursuit" node at the Underground Lab (see ULAB1), make your way down to the lowest basement level. Talk to Hugo and choose to "Take the power" to unlock this ending.
The Impregnable
If you have already unlocked the Escort (see 061) and Sand Sword (see 085) nodes, then this will be automatically completed during the plot.
Wielder of Infinity
Automatically completed during the plot.
Thaumatech's End
During the "In Pursuit" node at Alistel, talk to the old man just outside the Underground Lab to receive this sidequest. Then, make your way down to the 5th basement level. Head up past the intersection and hug the left wall until you can go through a path that is rather hard to see. Defeat the Special Thaumachine there. Walk all the way out of the Underground Lab and talk to the old man again to complet this sidequest and receive a Medibranch.
The Royal Throne
Automatically completed during the plot.
An End to Madness
Automatically completed during the plot.
A Scholar's Creed
During the "In Pursuit" node at the Underground Lab, make your way down to the 7th basement level. Hug the left wall until you can go through a path that is hard to see. Talk to the engineer there to receive this sidequest. Return to "The Beginning" node. Talk to Fennel in the lab next to the infirmary to complete this sidequest and receive the Haste Core for Rosch, needed for the "Conversion" sidequest.

Chapter Final

The Shadow Crown
Automatically completed during the plot.
A Timely Warning
During the "Shadow Crown" node at Granorg, head east to the weapon shop. Talk to the nearby man in green to receive this sidequest. During the "Royal Secret" node at Granorg, talk to him again. Finally, return to the "Shadow Crown" node to talk to him to complete this sidequest and receive the Omnipedia Book for Gafka, needed for "The Ultimate Skill" sidequest.
Heiss' Scheme
Automatically completed during the plot.
Call for Destruction
Automatically completed during the plot.
The Sacrifice
Automatically completed during the plot.
After Heiss
After "The Madness of Heiss" node, return to the "Aht's Prayer" node. Defeat Heiss to unlock this node.
The Madness of Heiss
Automatically completed during the plot.
Warlord's Sword
Automatically completed during the plot.
The Road Perilous
Automatically completed during the plot.
The Black Guardians
Automatically completed during the plot.
Death in Black
Automatically completed during the plot.
Warlord in Black
Automatically completed during the plot.
Monstrocity in Black
Automatically completed during the plot.
Valkyrie in Black
Automatically completed during the plot.
Death Knell
Automatically completed during the plot.
Final Battleground
Automatically completed during the plot.
Aprocrypha
Automatically completed during the plot.
Iron-Armed General
Complete the "Red-Letter Day" sidequest (see 052) to unlock this part of the ending.
Ritual of Flux
Automatically completed during the plot.
Valkyrie in Repose
Complete the "A Letter to Tomorrow" sidequest (see 055) to unlock this part of the ending.
The Show Goes On
Complete "The King's Daughter" sidequest (see 032) to unlock this part of the ending.
Shaman
Complete the "Wandering Soul" sidequest (see 118) to unlock this part of the ending.
Beast God at Rest
Complete "The Beast God's Birth" sidequest (see 175) to unlock this part of the ending.
A Warrrior in Love
Complete the "At Journey's End" sidequest (see 177) to unlock this part of the ending.
A Little Hero
Complete the "An Unwanted Reunion" sidequest (see 161) to unlock this part of the ending.
Overseers of Time
Complete the "What Was Inherited" sidequest (see 034) to unlock this part of the ending.
Life of the Beastkind
Complete the "Mankind & Beastkind" sidequest (see 067) to unlock this part of the ending.
The Lives of Humans
Complete the "Assassination of Dias" sidequest (see 104) to unlock this part of the ending.
A Promise
Automatically completed during the plot.