No, cannon. Like, really solid and made out of explosion-resistant iron.

Ah, sorry, my mistake.

Pretty sure he meant "canon" in that context.

1) A general law, rule, principle, or criterion by which something is judged 2) A collection or list of sacred books accepted as genuine

(http://www.oxforddictionaries.com/definition/english/canon)

"Nothing flies over my head. My reflexes are too fast. I would catch them".