[Tieria flinched, bringing up his own flashlight at Jack in return, as well as brandishing a rather large kitchen knife when he jumped back a step or two to gain some immediate distance from whoever or whatever he had just walked into.]
Captain Jack Harkness.
[Yup. That was Tieria alright. Despite his tense posture and slightly startled, yet angry sounding yelp at their collision, he still managed to sound oddly calm when he acknowledged who was standing there.]
I have been better. [Truthfully. It always sucked when these things happened. Darkness, nasty creatures, horrible feelings in the back of one's mind keeping one paranoid and creeped out... he wasn't happy.
He was also a bit disheveled by this point, having come across a few other people, and a few creatures.]