Nars hands the tooth to Percy. He is torn for a moment between loyalty to his friends, and the obviousness of what Percy says. He's also none to eager to go any further into the Wood, what with the magic trees and all. "That's probobably, ah, for the best. I'll be fine one my own. It's you all, er, going further in there you need to worry about."
"Ishmael, could you, er, take a look at this wound?"