Display amount of remaining damage absorption on Ice Barrier

[Malgru]

I want to use Power Auras to show how much damage absorption is left on Ice barrier. Text, bar, doesn't matter. How can I do this? I'm semi-familiar with Power Auras.

[Woz]

Not sure how to do it with Power Auras, can easily have it done with WeakAuras though if you want to use that instead;

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