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