Go to a Random Number Generator, list your Labyrinth Environments 1 - 10, and have the RNG pick a number. Then, draw up to 5 of the preds, again, if there are more than 5 kinds of preds, number them, and feed a RNG to spit out the selection. Then, have them vore random prey in a random way. Just get really random, and see what happens.

I'll run to a Blake's 7 plot, of all things.

Have your character enter a strange realm. One where the local life forms all know that movement is life. For, if one idles too long, the ground will lock in on you and swallow you whole. Something to do with the planet being alive and needing to feed on the lifeforms that exist on it's surface.

How about dicks shitting nipples? No? Maybe nipples shitting dicks? Ok, Shit dicking nipples? OK ok, I'm done... for now.

I don't know. Maybe some fun hardvore perhaps. Ripping, tearing, that sort of thing.