When he asked how they knew that, they said, because she was a bad creature.

I'm not a bad creature, and you're an interesting one.

You've kept away so very long, you bad creature.

Plus which, you'd been abused by far worse creatures than my children.

"But how can a bad creature be on a charmed bridge?"

It means that bad creatures can not attack here.

The path was clear, and there were no bad creatures in the way.

This vixen wasn't such a bad creature after all.

Why do you travel with a bad little creature like that?

Unfortunately, they were headed for the stronghold of bad creatures.