"I don't see any obvious traps. However, I did see an illusion of some kind when I was checking out the doors. I saw a man being shot with an arrow, and then a shadow leaving his body. Think it means anything?"
She picks up one of the skulls and tries to glean some information.
Rolls
What kind of skull? (Medicine) - (1d20+2)
(13) + 2 = 15
Investigating pile of skulls - (1d20)
(10) = 10