"Mythological? Oh. Oh! You arrived after the - no, they uh, they live here, Mister Eddie, they're a problem you can personally have!" Jean laughs, slightly less...Jeanlike...than their usual offering. "I don't know their role, if any, in the local ecology, but they sure do die when you kill them. Wait here a moment."

Jean sets their sword and whetstone aside, and slips into their house. When they come back out they're holding something like, but not enough like, a thick sheet of paper made from a golden Light. It doesn't quite move correctly in the breeze.

"This is a Page of a Siren," Jean explains, wobbling it (it makes no sound, and yet Eddie's ears report they heard something, they're sure of it). "I'm gonna put it on but I'll need to ask for your patience! It's like a whole affair, ten minutes and change, and I'm not gonna be chatty during it!"