He understood how dangerous oaths could be. But Leo didn’t care. “I’m coming back for you, Calypso,” he said to the night wind. “I swear it on the River Styx.
Rick Riordan, The House of Hades
He understood how dangerous oaths could be. But Leo didn’t care. “I’m coming back for you, Calypso,” he said to the night wind. “I swear it on the River Styx.
Rick Riordan, The House of Hades