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Bug
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Resolution: Unresolved
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None
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Minecraft 1.12.2, Minecraft 17w50a, Minecraft 18w01a, Minecraft 1.13.1, Minecraft 1.13.2, Minecraft 18w48a, Minecraft 18w48b, Minecraft 18w49a, Minecraft 19w08b, Minecraft 19w09a, Minecraft 19w11a, Minecraft 19w12b, 1.15.2, 20w09a, 20w10a, 1.16.1, 1.16.2 Pre-release 1, 1.16.2 Release Candidate 1, 1.16.4 Release Candidate 1, 1.16.4, 20w49a, 21w05b, 21w06a, 21w15a, 21w17a, 1.19.4, 1.20.4
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Confirmed
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Mob behaviour
The bug
Mobs without natural fire resistance which are swimming in lava cannot pathfind. You can see that they recognize their target, for example vindicators raise their axe, but they don't move at all. This does not apply to zombified piglins, wither skeletons, and blazes.
Reproduction steps
- Create a 1 block deep pool of lava
- Summon a Wither Skeleton in the lava and switch to Survival
The Wither Skeleton slowly moved towards you; as expected - Summon a Vindicator with fire resistance in the lava
/summon minecraft:vindicator ~ ~ ~ {active_effects:[{duration:-1,amplifier:0b,id:"minecraft:fire_resistance"}]}
The Vindicator repeatedly raises its arms for a short time but is unable to move towards you
- relates to
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MC-104631 Mobs sometimes spin around in the water (obviously affects drowned and undead mobs)
- Open
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MC-145672 Zombified piglins, wither skeletons, and zoglins jump too low in lava, preventing them from escaping
- Reopened
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MC-13497 Wither skeletons and zombie pigmen won't go through lava to get to enemies, even though they can't burn
- Resolved