That is incredibly cool. Jill may or may not (she did) come with a plethora of weapons, including grenades and a rocket launcher so she'd definitely let him take a look-see -- but the tech isn't too far off from say, a flamethrower or grenade launcher acid, freeze, or lightning rounds. Although she's not the most technological of her group (one would be surprised that it's the giant dude bestie), she does know enough to modify her gear and do so for others so

I GUESS WHAT I'M SAYING IS SHE'S IN. DAY ONE: PROPOSES HARNESSING CRYSTAL(S) TO USE AS A SCOPE AND EMOTIONS FOR LONG RANGE REDISTRIBUTION FOR HIS WEAPON??