This has a really fun, funny, and unique tone, especially for a mothership module. The juxtaposition between the goofy professor and what you need to do to him is pretty funny.
The art is great, but the layout needs more polish. I think the readability suffers a bit because terms are used before being defined. The Sacrifice and Lightning Curse are mentioned before they're explained, for example. Some minor rearrangement of the text would resolve that.
I also think you need to shrink the pyramid so the text doesn't have to go over it. Maybe shrink it to the bottom middle, put some numbers in the rooms and then have room numbered descriptions arching over it. Like this:
