Leo was hauled up in bunker nine working on the Argo II he didn't do much else these days and he didn't eat, sleep or shower much either. The poor boy was sleep deprived, hungry and dirty covered in soot and grease from the huge flying ship he was building for the important prophecy, it was stressful and not many people visited only other Hephaestus kids who helped him build the ship sometimes and Piper and Jason but they were mostly busy