Firestorm is a two-star base gold Arcane class hero, one of the most overlooked cards, as John Stewart Green Lantern and Hellboy also have DOT-resisting passives but with other more useful beneficial effects. His shards could only be received by daily objectives during his even, which has since been discontinued.

Firestorm's shards can now be obtained in Operations, instead of Heartbreaker Harley Quinn's shards.

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