The Demon King's Bride
“Isn’t it what you want, my priestess?”
For a moment, Clairra fell silent. It does sound like killing the Demon Lord is equal to the rest of the world's peace.
“Once the King dies, the followers will stay in the shadow, barely stepping in the light again.”
“Wrong,” the old mage disagrees, his chuckle echoing. “You are so young, my priestess. They are demons. Once the Demon King dies, a new one will arise. They are not far from humans. Even us humans have voids in us.”