Here is the full list of all 40 Ruzar - there are The Life Stone achievements.
Perform 25 Dual Attack
Upgrade all warrior skills
Upgrade all mage skills
Make 5 creatures kill each other
Reach level 50
Upgrade all ranger skills
Collect all notes in the dungeons.
Complete 10 challenges
Trigger 25 traps against the creatures.
Uncover all tiles from all maps
Learn all the light spells.
Learn all the earth spells.
Learn all the poison spells.
Learn all the ice spells.
Learn all the fire spells.
Find all pieces of an armor heavy set
Perform 50 backstabs
Complete 5 challenges
Complete the game twice
Unlock all creatures from the bestiary
Destroy all dark stones
Reach 50 in one stat
Collect 1 gold coin.
Complete the game once
Find all pieces of an armor medium set
Connect all Bind Stones
Find all Tomes of Improvements.
Find all dungeons
Complete 9 quests
Collect all armor miner pieces
Uncover 20 secrets
Unlock all storage space
Die once
Complete 5 quests
Find all pieces of an armor light set
Uncover 10 secrets
Perform 50 critical hits
Travel more than 10000 tiles.
Kill 50 creatures
Fall 10 times in a hole