Here is the full list of all 12 Vandal Hearts: Flames of Judgment trophies - there are 7 bronze, 4 silver and 1 gold.
Raise a combat skill to rank 40.
Earn both endings to the game.
Finish Act IV with the Luce ending.
Finish Act IV with the Altyria ending.
Discover every battle map.
Finish Act III.
Finish Act II.
Finish Act I.
Win a battle with 6 surviving party members.
Discover an optional battle map.
Find a hidden item on any battlefield.
Raise a single skill two ranks during 1 battle.