Betweenlands Version:
3.6.0

Forge Version:
14.23.5.2847

Singleplayer, might be both

Modpack:
https://www.curseforge.com/minecraft/modpacks/darkest-journey-2-0

I have noticed an issue a while ago that makes some mobs invisible (and also impossible to hit) after Players either entered a Portal to the Betweenlands or died. In some cases the ghost mobs can only knock back players, in others they can attack. I had this issue before in version 3.5.9 and assumed it would be fixed now, apparently no one even brought it up?

Note: I am not using the default Betweenlands Portal, there is a custom one. Should not matter though since this bug tends to be triggered by players dying too.

Are you using OptiFine? I remember OptiFine causing such a bug a while ago

I am not using Optifine, the pack is incompatible with it, I kinda assume it is Desync caused by Dimensional Control Portals.

caused by another mod

Which one could be causing this?