The sixth class to enter the fray in Diablo 4 is set to launch as part of its first paid expansion, Vessel of Hatred. Between developer interviews, teaser trailers, and some recent leaks, fans are filling in the blanks, but between Blizzard's stating it would be a zone-appropriate class and the assurance that it would not be a retread, Diablo 4's upcoming addition to its roster remains an enigma.