Some monsters disappear for a while when they’re at low health. Video example:
Seems that this is not intended, but isn’t some lag or just on my screen. I assume they’re entering “retreat mode”, but with the bug they just become intangible and inivsible for a period on the same place.
PS: I intended to make this thread on “Bug Reports: Game Content” section, but coudn’t somehow, got a “prohibited” icon over the New Topic button. If you know why and how to make, if possible, please explain.