Sometimes zombies, skeletons, spiders (and maybe more mobs) suddenly keep standing still. You can hit them once and then they become invulnerable. They also ignore gravity.
Linked issues
Comments
Uriel Salischiker
MC-135283
Mobs seam to lose AI
Resolved
Duplicate
0
Uriel Salischiker
migrated
(Unassigned)
Unconfirmed
Minecraft 18w30b
Retrieved
Thank you for your report!
However, this issue is a Duplicate of MC-134974.
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