Maybe I can climb one of those," Simon said, eyeing the fat white pillars that held up the slanted roof of the Hall. Runes were carved on them in overlapping patterns, but otherwise there were no visible handholds. "Work off steam that way." "Oh, come on," Clary said. "You're a vampire, not Spider-Man." Simon's only response was to jog lightly up the steps to the base of a pillar. He eyed it thoughtfully for a moment before putting his hands to it and starting to climb. Clary watched him, open-mouthed, as his fingertips and feet found impossible holds on the ridged stone. "You Spider-Man!" she exclaimed.