Here is the full list of all 9 Stained achievements.
Push Enemies away by shattering near them
Smashed Clock boss without dying single time. You have become the real stained smasher.
Cleaves enemies with minimum effort
Regenerate health over time
Has a disarming disposition
A weight less to activate pully
Key for the giant bat door
Smash glass creature with sound waves
You are the true heir of this stained kingdom