Here is the full list of all 35 Trinity Trigger achievements.
Fulfilled all requests.
Proved your strength to Libras, God of Harmony.
Deciphered every obelisk inscription.
Defeated the Fifth Memory.
Crafted 100 times at a shop.
Defeated the Fourth Memory.
Defeated the Third Memory.
Defeated the Second Memory.
Defeated the First Memory.
Triumphed over Fasti the Chronicler in battle.
Defeated 5,000 enemies.
Upgraded any weapon to its final form.
Began a new journey as a demigod.
Foiled the plans of Igment, God of Deceit.
Found 5 nice souvenirs for Firn.
Opened 300 treasure chests (excluding certain special chests).
Pursued Ahter after he abducted Violet.
Awakened new Trigger powers.
Held over 500,000 Liba at once.
Reached level 45 with one party member.
Crafted 10 times at a shop.
Lost decisively in a mock duel against Violet.
Bid farewell to the Diamond Wings and headed toward Stahl.
Traveled through the Waterways to avoid the sandstorm and met the Diamond Wings.
Discovered 20 different Manatite effects.
Held over 100,000 Liba at once.
Opened 100 treasure chests (excluding certain special chests).
Defeated 1,000 enemies.
Found 1 nice souvenir for Firn.
Reached level 20 with one party member.
Recruited Zantis, a War Oracle of the Sun God.
Discovered 5 different Manatite effects.
Embarked on a journey with Elise to prevent the God Warriors' duel.
Partnered up with Flamme.
Opened 10 treasure chests (excluding certain special chests).