“Watch and learn, beauty queen. When I was repairing Festus last night, I found all kinds of buttons. Some, you do not want to know what they do. But others … Ah, here we go.”

Leo hooked his fingers behind the dragon’s left foreleg. He pulled a switch, and the dragon shuddered from head to toe. Everyone backed away as Festus folded like origami. His bronze plating stacked together. His neck and tail contracted into his body. His wings collapsed and his trunk compacted until he was a rectangular metal wedge the size of a suitcase.

Leo tried to lift it, but the thing weighed about six billion pounds. “Um … yeah. Hold on. I think—aha.” He pushed another button. A handle flipped up on the top, and wheels clicked out on the bottom. “Ta-da!” he announced. “The world’s heaviest carry-on bag!”

The Lost Hero, Chapter XVIII