"How is your power core different? I can see that you don't have a stone on your forehead."
"My kind doesn't have a gemstone because we can't cultivate soul force like you people. I have a power core that thrives on the innate energy produced by my body, and I cannot draw energy from nature to get stronger. We are born as we are and remain that way until we die. My kind doesn't have magic affinities, but we may have a gift or two."
"What are your gifts, then? If you have any."
"Hmmm, that's a secret, Master Vince."
Vince rolled his eyes and grinned. "What's the big deal?"
Fiona didn't answer, and his attention was stolen by the duel on the stage.
"See? He wasn't able to sustain his demon form for too long and exhausted his soul force. His strategy was meant to keep the battle short because he knew he couldn't maintain his demon form for long, but it backfired due to his lack of assessment of his opponent…"