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