Frank was too far away to help…but he imagined himself rushing forward, his feet leaving the ground.
Be anything.
He remembered the bald eagles they’d seen on the train ride. His body became smaller and lighter. His arms stretched into wings, and his sight became a thousand times sharper. He soared upward, then dove at the giant with his talons extended, his razor-sharp claws raking across the giant’s eyes.
Alcyoneus bellowed in pain. He staggered backward as Frank landed in front of Hazel and returned to his normal form.

The Son of Neptune, Chapter XLVI