Mystery of Embers

Name:	Mystery of Embers
Type:	Sentinel's Crystal
Element:	Fire
Drop:	Level 9: The Desolate Tunnels (hard) Level 7: Horned Mines (normal) Level 5: The Vault hard)
Evolution:	Mystery of Hearths
Attack:	100 - 180
Available levels:	15
Necessary mana:	8
Bonus:	+170% critical Damage while having Combo counter above 20