Reply #2: He continually violates the 2nd Commandment:

[neuvocat]

(in Exodus 20)

"Thou shalt not make unto thee any graven image, or any likeness of any thing that is in heaven above, or that is in the earth beneath, or that is in the water under the earth. "

Chick repeatedly draws pictures of God and demons in his comics in order to make his point. That also makes him a hypocrite, so by his logic, he's going to Hell.