The devil sure does have a sense of humor. He's telling the truth, but in a satanically inverted way! Read it again, knowing what we know.
He's projecting bigly.
Check out his audience hall. It's a giant snake head, complete with fangs and heat-sensing pits.
The pope sits right where the snake's tongue comes out. He's the tongue of the serpent! The false prophet! And he's the front man for a monstrous statue, which is supposed to be Jesus. And I'm mickey mouse.