Haunted Mansion map boss room not accesable inside of mirrage despite clearly being in the range

So i stumbeld about that in on of my maps today where the boss room of my haunted mansion map wasnt generating in the mirrage despite being in the range of the mirrage. maybe there are some other reasons behind this but i feel like its in range and therefor should be accesable. like i get that when a mechanic is on the border of the mirrage and is half cut of to not be generated (even tho its frustrating) but in this case its not cut of at all, so i was wondering.


Inside Mirrage


Outside Mirrage