Diablo 4's post-credits scenes tease its next major villains—but who are they?

Diablo 4's Lilith

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(Image credit: Tyler C. / Activision Blizzard)

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There's a possibility that the main villain of Diablo 4 isn't the one you think it is. The post-credits teasers have sparked theories on who we'll go up against next, and one of them is a galaxy-brained take on a baddie much, much worse than the demons you've known for decades.