The Secret Cow Level Made It Into Azeroth
Blizzard spent years insisting 'there is no cow level,' a running joke going back to the original Diablo. For Diablo's 20th anniversary they finally caved, at least in WoW: killing a Treasure Goblin in the Broken Isles could pull you into a farmer's field crawling with axe-wielding cows and a boss called the Cow King, who'd hand out a toy guitar that plays Tristram's theme song.
