[quote=@Mega Birb]
That very well may be the case, but you have failed to account for one thing: The fact that Bastion, essentially being the deadpan Hamlet of the story, would likely launch into an aside upon the defeat of Diana, leaving her back exposed to a pointy chiropractor.
[/quote]

Nah. Machina Bastion is a killing machine unlike Demon Bastion or what could have been Angel Bastion. Try it, and he'll find her dodging via Bullet Time.

[sub][sub]There's also the fact she has Gold and Silver Eyes.[/sub][/sub]