Here is the full list of all 30 The Lord of the Rings: Aragorn's Quest trophies - there are 9 bronze, 15 silver, 5 gold and 1 platinum.
All Trophies Collected
Acquire all the upgrades
Defeat 2500 Enemies
Collect all lore items
Complete all the side quests
Defeat 250 enemies with Bow
Collect all the Fellowship Tokens
Perform 5000 sword swipes
Game complete
Defeat 100 Uruks
Defeat the Mouth of Sauron
Complete the Shire
Complete all the imaginary quests in the woods
Defeat 8 Oliphaunts
Defeat the Witch-king
Defeat the Witch-king without taking damage
Defeat the Uruk champion without taking damage
1000 silver coins acquired
All stalls 100% Complete
Defeat 1000 Enemies
Defend the Ent
Defeat 100 Orcs
Complete Button Mushroom quest
Complete Crow Hunting quest
Defeat the Balrog
Defeat 100 Goblins
Defeat your first Hill-troll
Defeat Black Riders/Nazgûl
5 consecutive Icon Strikes
Perform an Icon Strike