"Demons?" Kasumi's face hardens slightly, then the impression is gone, and she nods.  "Of course I'll help you.  But what kind of demons?  That's usualy important, as their powers vary greatly, and some would be beyond our strength."<br/><br/>Still holding the coin, she says.  "We can check the coin's markings at least.  Let's ask Tasha, I saw her still on duty this evening."