That would sober Greg further, if he weren't already deathly serious. Marty... the final surviving member of Defying Atmosphere. He'd been so terribly hurt when Lapis attacked, too... he can only imagine how much that would have stressed out a friend who can't yet reach him.

Greg bites his lip, guilt prickling through his insides. "I'm sorry." That feels insufficient for all the pain in this mess. "Marty's a real tough kid. He's kept his chin up through all of this."