| Achievement | How to unlock
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|---|
| A Lease on Love | Spent the evening before the final battle with Alisa.
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| Aboard the Pantagruel | Unknown.
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| Arseid School of Courtsmanship | Spent the evening before the final battle with Laura.
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| Ashen Chronicles | Unknown.
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| Banisher of Nightmares | Completed the game on nightmare difficulty.
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| Born to the Battlefield | Won 100 battles.
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| Conquering Hero | Completed the game on hard or nightmare difficulty.
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| Divine Knight Errant | Completed all 39 quests.
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| Double the Trouble | Used Rush in battle 100 times.
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| Face of the Enemy | Completely filled the monster guide.
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| Forging the Future | Acquired the strongest weapon for any character.
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| Forward, Relentlessly | Unknown.
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| Frozen Heart | Unknown.
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| Honor Roll | Achieved student rank A0.
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| House of All-bro-ea | Spent the evening before the final battle with Jusis.
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| Imperial Treasury | Acquired over a million mira.
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| Inseparable | Raised any two characters to Link Level 7.
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| Intelligence Agent | Completed all of the character profiles in the notebook.
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| Jaeger Mister | Spent the evening before the final battle with Fie.
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| Lending Library | Completely filled the book section of the notebook.
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| Mind if I Cut In? | Used 100 S-Breaks in battle.
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| National Treasure | Unknown.
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| One Good Burn Deserves Another | Used over 500 follow-up attacks in battle.
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| One in a Millium | Spent the evening before the final battle with Millium.
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| Overdriven to Win | Used Overdrive in battle 100 times.
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| Perfect Harmony | Spent the evening before the final battle with Elliot.
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| Phoenix Ascendant | Received the Grand Cordon of the Order of the Phoenix Wings from Emperor Eugent III.
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| Pieces of Eight | Defeated 8 enemies at once.
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| Scholar of the Truth | Unknown.
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| Shutdown Phenomenon | Canceled enemy arts and crafts 100 times.
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| Smells Like Team Spirit | Used Burst in battle 50 times.
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| Spoils of War | Opened every chest between the Prologue and the Finale.
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| Star Pupil | Earned an S rank during part of any chapter.
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| Tactician | Won a battle with a tactical bonus of x3.0 or greater.
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| Taking the Initiative | Initiated 300 advantage encounters.
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| The Ashen Chevalier | Mastered Trails of Cold Steel II and earned every achievement.
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| The Awakening Lions | Unknown.
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| The Depths of Despair | Unknown.
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| The Manway Method | Won 600 battles.
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| The Occupation | Unknown.
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| The People's Choice | Spent the evening before the final battle with Machias.
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| The Reel Deal | Caught all 24 varieties of fish.
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| The Return of Rean QUARTZ-er | Gathered all 31 varieties of master quartz.
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| Transcendent Jewel | Raised a master quartz to level 5.
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| Unexpected Surroundings | Unknown.
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| Wartime Rationer | Obtained all 22 recipes.
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| Winderlust | Spent the evening before the final battle with Gaius.
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| Winter's End | Unknown.
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| Witchy Woman | Spent the evening before the final battle with Emma.
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| Worth the Wait | Unknown.
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| You're Atowable | Unknown.
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