RUNE_POWER_UPDATE

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Patch
Added in 3.0.2

Fired when a rune's state switches from usable to un-usable or visa-versa.

RUNE_POWER_UPDATE: runeIndex, added

Payload

runeIndex 

number

added 

boolean (nilable) - is the rune usable (if usable, it's not cooling, if not usable it's cooling)