Isaac didn't recognize the second voice or the face that peered through the doorway at them. It took everything he had to keep his hands still and at his sides, but he couldn't stop the way his fingers twitched readily. He wasn't sure what to make of the appearance of another stranger, but when the dark-haired man spoke to Steve, he told himself it was as close to safe as he could be in this kind of situation.

"It's not a gun," Isaac corrected quickly, unable to form any other kind of response. It was a mining tool, he corrected silently to himself, the most reliable one he'd ever find.