IC; pre-intro for Ruby

[it's rare that Sam lets himself vent off frustrations, and it's doubtful he's doing that as he slips deeper into the wooded area. but there's a gun in his hand all the same, a serious expression on his face as he watches a few mindless zombies go by (but he doesn't waste his bullets; he knows they're largely harmless by now).

he only stops his steps when he thinks he hears an irregular sound, turning quickly to see where it came from with the gun pointed in that direction. he doesn't say anything, eyes only searching for what caught his attention]