Eternity: Restore Mana equal to 15% of the damage taken from champions. Regen Health equal to 20% of Mana spent. Capped at 25 Health per cast.
When you take magic damage, gain 20% of the damage taken as remaining charges for 5 seconds. When you root an enemy Champion, consume your remaining charges to cause a 400 yard explosion near the first rooted target, dealing magic damage which is equal to the remaining charge.
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