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 Copy Share Image
“As his raft skimmed over the water, taking him back to the mortal world, he understood a line from the Prophecy better- an oath to keep with a final breath . He understood how dangerous oaths could be. But Leo… — Rick Riordan Copy Share Image
