Here is the full list of all 15 Trulon: The Shadow Engine achievements.
Complete the game.
Collect all the tactics from random battles.
Collect all the hidden treasures.
Complete the A Job to Kill for quest.
Slay the Hunter in the Dark.
Use Below the Belt on a stunned opponent.
Win a battle using only Wildcards.
Defeat all the enemies in a single round.
Visit Dad before leaving to Maelon.
Win a battle without taking any damage.
Deal over 2000 damage with one attack.
Finish a battle with Retribution.
Complete the game in less than 5 hours.
Listen to all the advice from Marcus.
Hit the level cap with a character.