Blizzard Entertainment has unveiled the newest expansion for its action RPG Diablo IV next year with “Lord of Hatred”, which not only sees the return of the eponymous Mephisto aka The Lord of Hatred, but also the return of Diablo IV antagonist Lilith and the much-requested Paladin class and an as-yet-unannounced second character class. Players who pre-purchase Lord of Hatred grants them immediate access to the Paladin.

In the aftermath of “Vessel of Hatred”, this next chapter drives players toward their final stand against Mephisto, whose deception and spreading influence...