Clark is the God of the Mortal Realm, the son of the Sun, or in other words, due to his unique constitution capable of storing a large amount of solar energy, he himself is a small sun.
Wayne and him see eye to eye; most of his superpowers originate from the Phoenix, which belongs to the Sun Goddess.
In other words, he only looks dark, but his heart is full of light. Round it up, and he equals a small sun, really can't stomach the Dark Goddess's gig.
Sun and sun attract each other, he says, no problem with that, right?
Obviously, there's no problem.
"Just because of the Fire Element?"
Utterly unreasonable excuse, sounds like a lie, Idinis is greatly dissatisfied, asks Wayne to tell the truth.
"The truth..."
Wayne looked down at Idinis: "I have a good impression of Anna, her character, her ideals, her deeds, I've always thought, she's my Goddess..."
