Edgar's a new name to her. She doesn't know it. But the last bit catches her attention.

"I'm going to assume you don't know what's in this town, or you wouldn't say that. Whenever Angels and Demons get involved, nothing's safe." Ellen isn't normally one to worry about demons, but dying puts everything into perspective. Especially when part of the reason she's here is living the high life with Dean.

Still, she doesn't have the Colt - not that it'd do her much good here anyway - but she's not taking any chances.