A Demon’s Kiss
He's already sceptical, which means it isn't going to be easy to convince him.
"The spirit says that if I can combine my power with it's energy source, I can kill Atari," I tell him.
Keo frowns. "Why you? Why not me?"
I suppose that's a fair question. Keo is far more powerful than me, and if he could connect to this spirit, his magic would be far more potent and damaging. Atari wouldn't stand a chance.
"I have the power to see into Kastriv's mind," I remind him. None of this works without that specific ability that Keo doesn't share with me.