well mabe im just dumb and cant seem to find the right way in but i need to get back into the sepulchreign laboratory to give the master vampire the leg and the trap door that i came out of doesnt let me go back into it.ive looked at every walkthrough i can find and thay all just say take it back to him and dont say how to get back into the area hes in.love this mod and i would realy like to finish playing it.

It might help if you mentioned which mod you're playing.