Kill cows. That is, brush the secret cow pass. Niuguan is a hidden level of Diablo II.

After a certain degree of difficulty, a red door will appear when the feet and the back of the white chess are combined in the box. Entering the Red Gate is the secret milk cow pass. A large number of cows, mostly physical attacks, are more suitable for horse racing, electric method and corpse explosion. Generally speaking, cows have a high probability of turning off the substrate.

KB: That means killing Barr.

KP: Kill this grumpy skin. This is Anya's red door. After entering, there is a dark gold monster who can get a lot of good equipment.

KC: It means killing cattle.

Kurt: That is to defeat this Andariel, which is Sister Ann.

KM: That's Mephistopheles.

In short, this is the meaning of these terms, which is easy to be confused for players who have just come into contact with the remake of Diablo II, but it is not difficult to guess as long as they know the specific reasons.