Blizzard has released an official blog post for Season of the Malignant, including information on Season Mechanics and Malignant Hearts!
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Blizzard
Season of the Malignant is upon us, wanderer!
The first Season of Diablo IV begins on July 20 at 10 a.m. PDT. Keep Sanctuary safe from a growing infestation by harnessing the potency of Malignant Hearts and unleashing the power within.