Nico slid off Mrs. O’Leary back and crumpled in a heap on the black sand.
I took out a square of ambrosia – part of the emergency god-food I always kept with me. It was a little bashed up, but Nico chewed it.
“Uh,” he mumbled. “Better.”
“Your powers drain you too much,” I noted.
He nodded sleepily. “With great power… comes great need to take a nap. Wake me up later.”
-Percy and Nico, The Last Olympian [#5 Percy Jackson and the Olympians] by Rick Riordan