Next time he attacks you dodge and get him to run into the black gunk.

Panel #1
He lunges at you, but you step over to the left and he misses you completely.
Panel #2
...Wow. He's hanging by his feet.
Panel #3
This is stupid. You're going to go take another look at that ELEVATOR.
Panel #4
Panel #5
oh hey flush

you're sporting the evil red eye look rather nicely