Yeah I know... easy for me to say, right? But they say nightmare creatures are like predators IRL... if you run from them or fight them it kicks in their predatory nature, making them stronger and more aggressive. But when you ask them what their purpose is in your dream they often turn into people and become powerful helpers and teachers.

Keep in mind it represents some unresolved issue... something you need to deal with. Avoiding issues is not a good solution, and when you face them squarely they often turn out not to be as bad as they seemed at first.

All this said, I haven't tried it yet. I've only had 6 lucids now (since joining DV), and still working on basics like stabilizing the dream and developing any kind of control.

I encountered a pen full of giant stuffed monekys in a recent one and when my attempts to pinch their heads off and blast them with energy from my hands didn't work I ran away....