The Horde will join Nightborne race, Highmountain Tauren, Mach’gar Orcs, Zandalari Trolls and Vulpers.
Apart from the main classes, additional allied races will be available in the Shadowlands expansion without any required unlocks. For the Alliance, these are Void Elves, Lightforged Draenei, Dark Iron Dwarf, Kul Tiran, Mechagnom. The Horde will join Nightborne race, Highmountain Tauren, Mach’gar Orcs, Zandalari Trolls and Vulpers.