Here is the full list of all 47 The Lord of the Rings: War in the North trophies - there are 32 bronze, 13 silver, 1 gold and 1 platinum.
Earn all trophies for Lord of the Rings: War in the North
Revive a fallen ally.
Kill 200 enemies in a single playthrough.
Perform 3 critical hits within 10 seconds.
Slay one enemy together with 2 other players.
Discover 25 secrets in a single playthrough.
Slot an elfstone into an item.
While in Hero Mode, perform a streak of 50 hits.
Kill 4 enemies simultaneously.
Slay the wild snow trolls.
Unlock every active-cast ability in one character’s skill tree.
Achieve at least 1 rank in a tier 3 skill.
Deal 3000 damage with a single ranged strike.
Deal 1500 damage in a single melee strike.
Absorb 25,000 total damage during the course of 1 level.
Complete 15 quests in a single playthrough.
Kill 150 enemies with war machines in a single playthrough.
Equip all parts of an armor set.
Kill 50 enemies with headshots in a single playthrough.
Summon Beleram 10 times in a single playthrough.
For one character unlock every skill that provides a modification to War Cry, Sanctuary or Evasion.
Achieve level 10.
Achieve level 20.
Create 15 potions in a single playthrough.
Defeat Agandaûr without the aid of Beleram.
Kill 600 enemies in a single playthrough.
Amass 25,000 coins.
Locate 5 gilded treasure chests in a single playthrough.
Complete a playthrough on at least Normal difficulty.
Complete a playthrough on Legendary difficulty.
Complete the investigation of the Cult of the Lidless Eye.
Complete a playthrough on Heroic difficulty.
Help free the Great Eagle Beleram.
Join forces with the sons of Elrond.
Defeat Agandaûr's lieutenant Tharzog.
Discover what happened to the missing Rangers.
Defeat the Barrow Wight Lord.
Learn of the Ring of Power and the plan for its destruction.
Slay Bargrisar the stone giant.
Help destroy the citadel within Mount Gundabad.
Defeat the Sorceror Wulfrun.
Free the elf from his captors in Mirkwood Marsh.
Slay Saenathra.
Speak with Frodo in Rivendell.
Meet a dragon and survive.
Help weather the siege of Nordinbad.
Defeat Sauron's Lieutenant Agandaûr.