Fortunately for Hades, between his general lack of energy due to still recovering and the exhaustion and adrenaline of trying to tail his friend earlier it does not take long for Hythlodaeus to start nodding off, though he does his best to stay awake until the constellation assigned to the Architect. He smiles as the nostalgic words wash over him, looking happier than he ever has since his arrival to Avalon, and after the verse is over he finally lets himself fall asleep.