"Mmmmmm," you say, "that tastes good."
Then you try to walk through either the door that takes you forward, or the one that takes you back.
"AHHHHHGGGGHHHHOOOOOOWWWWWWWAAAAAAAAHHHHHHHHH" you cry as pain coarses through your disintergrating body.
Sorry, you have just been insinerated by magical flames. Better luck in your next life.

Prof. Snape