Version Information

Minecraft 1.21.1
NeoForge: neoforge-21.1.68-installer.jar
Lithium: lithium-neoforge-0.14.0-snapshot+mc1.21.1-build.88.jar

Expected Behavior

In the EvilCraft after kill mob under some conditions spawned a new "ghost" mob that is invisible and untouchable until get some magic ring.

Actual Behavior

"ghost" mob blocks movement of player

Reproduction Steps

1. Install Evilcraft + Cyclops core
2. In creative mode make long narrow horizontal corridor
3. Get zombie spawn egg, Vengeance pickaxe, some sword
4. Switch to survive mode
5. Break some stone with Vengeance pickaxe (1 stone block is enough)
6. Spawn a zombie
7. Kill zombie
8. Try move along the corridor - invisible spirit of zombie will block movement

Other Information

cyclopscore-1.21.1-neoforge-1.25.2-634.jar
EvilCraft-1.21.1-neoforge-1.2.59.jar

Related bug in EvilCraft:
CyclopsMC/EvilCraft#1070