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