Epic7DB 
Umbral Keystones
A collection of colorful gems Fumyr uses to study magic and store mana. Although her innate magical talent is wholly unaffected by her materials, it subtly embodies her personal preferences embracing the notion that prettier is always preferable.
Base Level
Increases Effectiveness of all allies by 10%. At the end of every 2 ally turns except for the caster, increases Combat Readiness of the caster by 10.0%. Can only be activated once every 2 turns. This Artifact's skill effect can only apply to one Hero within a team.
15
54
Max Level
Increases Effectiveness of all allies by 10%. At the end of every 2 ally turns except for the caster, increases Combat Readiness of the caster by 20.0%. Can only be activated once every 2 turns. This Artifact's skill effect can only apply to one Hero within a team.
195
702
How to Acquire Umbral Keystones
You can get a limited time drop rate up banner for Umbral Keystones by completing the side story: Primed and Set
