"Valid point; however, should we delay looking in the professors room to find out? Assuming we go in there, unless we confront him, there won't be much we can do. if he's followed you this long, chances are he'll follow you more, I'm just saying I don't think we should get distracted from our main purpose. If you are really that interested in what he's doing, I think I should investigate, whilst you stay with the group to facilitate getting in where needed."

Fin waits until they are inside and out of sight from anyone, taking time to make sure they are unobserved. Once he is sure no one is close aside from the party, he will assume an alternate form. His new form will be female with mid-length curly blonde hair. Pretty, but not over the top. Average height, blue eyes.

"I doubt he will recognize me like this"
As long as no one objects, Fin will head to the study hall and tail the tail.
Spoiler: rolls
Show

Disguise (1d20+13)[25]