It's an unpredictable runaway chemical reaction no one predicted.

Winning is about making enemy reacts as predicted.

It was like a train, a runaway train, there was no stopping it.

This is just a chemical reaction, not an improvised explosive device.

He had no reaction that I'm reporting,

You never know what he's going to do. He's very shifty and unpredictable. They could have a wedge one way, and he'll go the other way.