Wendigo

“Hey, I’m a Poseidon kid,” he said. “I can’t drown. And neither can my pancakes.”
― Rick Riordan, The Blood of Olympus

“Please!’
That word didn’t make sense to Nico. The Underworld had no mercy. It only had justice.
‘You’re already dead,’ Nico said. ‘You’re a ghost with no tongue, no memory. You won’t be sharing any secrets.”
― Rick Riordan, The Blood of Olympus

“My son, what you are attempting – shadow-travel across the world, carrying the statue of Athena – it may well destroy you.’
‘Thanks for the encouragement.”
― Rick Riordan, The Blood of Olympus

“I am Nico Di Angelo, son of Hades. I control the shadows. They do not control me.”
― Rick Riordan, The Blood of Olympus