As part of their Season 1 announcement, Blizzard published a website showcasing all content coming with Diablo 4’s inaugural season, Season of the Malignant!
Official Season of the Malignant Website
Much like before content drops in other Blizzard games, the website provides a quick overview of changes and new content coming with Diablo 4’s Season of the Malignant, including brand-new information regarding the seasonal mechanic, a new boss called Varshan the Consumed, and much more!