He follows behind, letting Spike take the lead - as competent as he's gotten on his own, he's still under no illusions about his own relative strength and speed, and it seems safer to let the other take point.

The stairwell is lit only by filthy narrow windows running up its walls, doing more to cast deeper shadows than illuminate anything. Something is moving forward and above them, definitely at least two - not that he'd doubted it.

"Really kinda hope we're not dealing with a nest." His mouth twitches. "I'd like to be able to hang out here more."