"Friend, take it from me: magic is all make-believe, and there's a lot more to it than you can handle!"
Arthur was so outstanding that he ended up getting kicked out of magic school.
The collapse of every magical statue has this guy's footsteps all over it...
Not to mention his demonic whispers.
Arthur: "God of Magic, why does everyone imagine you as a beautiful, voluptuous woman with an impressive identity? Was it because the people who founded the church were all men?"
Worshipper: "God of Magic, please talk some sense into Arthur Alexander! If this goes on, magic is finished!"
God of Magic: "I can't talk him out of it. I can't talk anyone out of anything. Ever since he appeared in this world, my dignity as the God of Magic hasn't been worth a single penny."