Demonic Ritual

Hey guys,
here is my current project.
The pentacle and flame are just images with alpha applied.

This project started because i was bored (hence my lack of planning and why i am out of ideas)

any ideas would be appreciated.

Here is what i currently have:

And with my pathetic bit of post pro in photoshop:

Other renders here:

all done in 20 mins (i got sidetracked)