Gojo has become Nanami Kento as retribution for his chaotic and arrogant crimes all his life, so if he is a big man, he can suffer through it. If he is a weenie, then he may use a healing potion, or Nona could heal him? Probably won't get the special eye back, though.

Lucas moves away from the rest of you and toward the door. It's tall and wooden, though there doesn't seem to be anything attached to it, staining it, or carved into its face. Simple. There's a knob that can be turned.

Gojo Kento finds the same thing. A wooden door with nothing on it, but also nothing attached to any part of it. The way you are all highly suspicious now.