Here is the full list of all 49 Battle Chasers: Nightwar trophies - there are 36 bronze, 10 silver, 2 gold and 1 platinum.
Start New Game Plus
Kill C'drall
Craft a legendary item
Acquire 1 of the Heroes' Ultimate Weapons
Get Max Score in the Battle Arena
Complete the Mana Rifts
Complete all dungeons on Legendary difficulty
Kill all the Beastmaster's Targets
Reach level 30
Unlock a Hero Skin
Complete the Crimson Garden
Acquire 100,000 gold (culmulative)
Unlock All Battle Bursts
Craft an item with less than 10% success chance
Get all three chests in The Winding
Craft 50 items
Craft 10 Epic Items
Complete Strongmont
Complete 50% of the Bestiary
Get a Mid level score at the Battle Arena
Acquire 200 Shadow Coins
Unlock 50% of the Lore Book
Complete Deadwatch
Kill 500 enemies
Bring Alumon into the party
Complete The Dig
Unlock a Level 3 Battle Burst
Kill one of the Beastmaster's Targets
Catch 50 Fish
Complete Junktown
Find Monika
Catch an Epic Fish
Find Knolan
Complete a dungeon on Legendary difficulty
Complete the Path of Fangs
Complete the Iron Outpost
Unlock a Beast Perk
Craft an item
Recover an item from the Mystery Box
Make it to the road
Aquire all trophies
Complete the game on New Game Plus
Craft 10 Rare Items
Complete 100% of the Bestiary
Defeat the Pirate Captain
Complete the Fishiary
Unlock 100% of the Lore Book
Acquire all of the Heroes' Ultimate Weapons
Unlock all Hero Skins