Peasy hitting Cerberus with its own cannon

The giant lifted the cannon over his shoulder like a club and grinned. His swing caught the battlesuit in the shoulder. The blow echoed inside the armor, rattling her teeth. Her viewscreens flared and sizzled with static.
“I’m death incarnate,” he bellowed. “I killed the Gorgon. I killed the world. And it just makes me stronger!”

Excerpt From Ex-Heroes, pg 455
Peter Clines
https://books.apple.com/us/book/ex-heroes/id585738407