File:Diablo 3 RoS - How to get to NOT Cow level

Description
Where to find the secret NOT cow level in Diablo 3?

The secret level opens with a chance Goblin Goblin.

"It leads to a non-existent place. The forces of the Underworld are not responsible for the events taking place there. If you say that you have been there, everyone will assume that you are lying. We will deny everything."

In Diablo 2, a secret cow level was opened by a combination in a cube. Immediately there is a chance to open the cow level through the greedy goblin.