Published May 6, 2026, 8:13 AM EDT But is this all there is to it? YouTube "" data-is-feature-img="true"> Image: Blizzard Entertainment/LoatheBurger via YouTube Sign in to your Polygon.com account Diablo 4 's secret cow level has finally been found after a long hunt that has lasted since Diablo 4 's original release in June 2023 — and that had some doubting that the level even existed. This is, of course, just how Blizzard wanted it. The developer has made a bit out of denying the existence of secret cow levels and then putting them in Diablo games ever since the late 1990s. To begin with, in the original Diablo , the cow level really didn't exist; it was an urban myth among fans that became a running joke with the developers. Eventually, Blizzard went and put a secret level called Moo Moo Farm in Diablo 2 , wherein the player was assaulted by a horde, sorry, herd, of murderous cows carrying axes.…