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