Sent to the add on upon changing character spec, if both specs have a power configured in the Heart of Azeroth.
If the necklace does not have a power assigned when the spec is activated, or when the necklace is first unlocked, this event will be sent following one or more AZERITE_ESSENCE_ACTIVATED messages.
AZERITE_ESSENCE_UPDATE
Payload
None
Patch changes
Patch 8.2.0 / API (2019-06-25): Added.
