Resilience Essence Release

... Occurs when defiance is broken. — In-game description

Resilience Essence Release

Defiance

Champion Fallen Kodan Berserker
Champion Fallen Leopard Shaman
Champion Fallen Pineshade

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Resilience Essence Release

...

Occurs when defiance is broken.

— In-game description

Resilience Essence Release is automatically cast when a powerful Fallen foe's defiance bar is broken.