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