However, I take no responsibility if it all goes horribly wrong.

Did he ever think that something could go horribly wrong?

Even when you're very good at your work, things can go horribly wrong.

At least, I knew then that something was horribly wrong.

There was something horribly wrong with the back of his head.

He'd been here only a few minutes, and already it was all going horribly wrong.

A third party gets wind of the job and everything goes horribly wrong.

Because he just knew it was all going to go horribly wrong.

But it is possible that I have got this horribly wrong.

"everybody knows that if things go horribly wrong, the government will save them"