It's possible that having us kill Lilith was all part of Mephisto's plan and, for all we know, he could be working with his brother. Food and water are in short supply, demons are everywhere, and people are resorting to some pretty nasty things to survive. Sanctuary, the domain of humanity, is ripe for meddling at the moment. Diablo, like his brothers, isnt't into the whole humanity thing and would prefer if humans stopped interfering with the Eternal Conflict between angels and demons. While I'm not entirely convinced any of the post-credits teasers are him considering how similar they look to Mephisto, it's a possibility worth considering. Surely he's not pleased with the way the whole one, true Prime Evil plan played out in 3's campaign. He's barely even mentioned in the game, despite having been released back into the wild by Malthael in Diablo 3: Reaper of Souls.

(Image credit: Wowhead / Activision Blizzard)ĭiablo 4 is the first in the quadrilogy to not feature Diablo, the Lord of Terror, as a boss.

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