Im making an enderman xp farm. How it works is you put a name tag on an endermite in the end demention, put a nametag on it. Put it in a minecart. Then set the minecart high enough so that the enderman doesn't kill it. (There's a whole youtube video about it. Just type in “enderman xp farm” and the videos will pop up). The nametag is suppose to prevent the endermite from despawning. The endermite keeps despawning WITH a nametag!!!
Also its version v1.21.121
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