Danielle describing Banzai / Exes with superpowers

Cerberus’s gauntlet was clamped on the rear of the pike. “Don’t.”
“Why not?”
She stepped forward and settled one hand on the ex’s shoulder. It was enormous against the dead girl. “Because Gorgon would kill you if he found out.”
The creature’s fingers clawed at the steel digits as it tried to gnaw through the armor.
“Why would he …” Ty closed his eyes and sighed. “Shit, that’s her, isn’t it?”
“Yeah.”
“Pretty damned nimble for a zombie,” said Andy.
“You should’ve seen her when she was alive. It was like watching a superball bouncing in a closet.”

Excerpt From Ex-Heroes, pg 202-203
Peter Clines
https://books.apple.com/us/book/ex-heroes/id585738407