Here is the full list of all 48 Battle Chasers: Nightwar achievements. It takes around 60-80 hours to unlock all of the achievements on Windows.
Finish the game on NG+
Craft 10 Rare Items
Craft 10 Epic Items
Complete 100% of the Bestiary
Defeat the Pirate Captain
Complete the Fishiary
Unlock 100% of the Lore Book
Start NG+
Kill C'drall
Acquire all of the Heroes' Ultimate Weapons
Complete all dungeons on Legendary difficulty
Craft an item with less than 10% success chance
Craft 50 items
Kill all the Beastmaster's Targets
Unlock All Battle Bursts
Complete the Mana Rifts
Reach level 30
Craft a legendary item
Acquire 1 of the Heroes' Ultimate Weapons
Get a Mid level score at the Battle Arena
Get Max Score in the Battle Arena
Complete the Crimson Garden
Get all three chests in The Winding
Acquire 100,000 gold
Complete Strongmont
Complete 50% of the Bestiary
Unlock 50% of the Lore Book
Complete Deadwatch
Unlock all Hero Skins
Unlock a Hero Skin
Acquire 200 Shadow Coins
Kill 500 enemies
Bring Alumon into the party
Complete The Dig
Unlock a Level 3 Battle Burst
Kill one of the Beastmaster's Targets
Complete Junktown
Find Monika
Recover an item from the Mystery Cube
Find Knolan
Complete the Path of Fangs
Catch 50 Fish
Complete a dungeon on Legendary difficulty
Complete the Iron Outpost
Unlock a Beast Perk
Craft an item
Catch an Epic Fish
Make it to the road