Here is the full list of all 43 Warhammer: Chaosbane achievements.
Bless a heroic item 50 times
Complete 50 Relic Hunts
Kill a boss on "Chaos 5" difficulty
Complete your first set of equipment
Complete 50 side activities
Kill all bosses in Boss Rush on at least "Chaos 2" difficulty
Trade 50 Fragments with the Collectors' Guild
Kill a boss in Boss Rush on at least "Chaos 2" difficulty
Kill a boss on "Very hard" difficulty
Finish the game as Elontir
Finish the game as all characters
Complete your first Relic Hunt
Finish the game as Konrad
Finish the game as Elessa
Finish the game as Bragi
Reach level 50 with any character
Buy all rewards available on the God Skill Tree
Collect 1,000 pieces of gear
Find your first heroic item (not a quest reward)
Complete a side activity
Kill an elite with a build made from at least 90 Skill Points
Finish Act III
Bless your first item
Find 100 rare or heroic pieces of gear
Kill 1,000 Ungors
Open 50 chests
Kill 100 champions
Finish Act II
Acquire 100,000 gold pieces
Reach level 25 with any character
Be fully equipped with rare or heroic items
Use a God Skill
Finish Act I
Kill a Jabberslythe
Unlock your first reward from the God Skill Tree
Donate 100 items to the Collectors' Guild
Kill 1,000 cultists
Kill a Mutalith
Kill 1,000 daemons
Collect 100 Fragments
Use bloodlust
Be fully equipped
Finish the Prologue