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Blackrock Mountain logo.png The subject of this article is part of the
Blackrock Mountain adventure.



Fill all empty Mana Crystals.

See this card on Hearthpwn

Recharge is a boss spell used by Omnotron Defense System in Blackrock Mountain, in both Normal and Heroic modes. It is not available to players except in Puzzle Lab.

For more information, see Omnotron Defense System.

Bosses[edit | edit source]

Omnotron Defense System.png

Gallery[edit | edit source]

Recharge, full art

Patch changes[edit | edit source]