Dean spun and raised the firearm in the direction of the voice. The accurate direction. Still not bad, for not a ninja.

"Yeah? What are you here to do then, drop some shady portents of doom and let me wake up in the hotel where I actually went to sleep?"

This has to be some kind of prophecy dream, because his real life is weird, but not "involves literal ninjas" weird.

"Maybe I don't deal so well with ninjas. How about you step out here where I can see who I'm dealing with, before I start shooting wildly into the dark? Are those odds you like?"