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"You… I can't believe you would be able to acquire such a powerful Curse." Said the Evil God of Dungeons. "It is made of the soul of an ancient Demon King, isn't it? Where did you even got it, and how is it possible you can control it?!"
"I just found it around, randomly." Sylph said while shrugging. She wasn't going to go into details with her enemy, especially because she knew who this bastard whose shape she couldn't even figure out was… "I assume you're the god of dungeons, the one behind what happened to me and Aquarina three year ago, right?"
"Hmph… Yes, it is me." Said the god, without having anything to hide. "I will one day get to you. But until then, I suppose you can have her back. I don't really care about her failure of a soul anyways. Abyss, let's go. Don't be foolish."
Check "The Protagnist's Sister Is Actually the Strongest"!