What if Sweetie Belle discover her powers and show them to Spike of all ponies?

Ah, so a succubus can steal souls because it's an inherent demon ability. That makes sense, of course they would probably never use that ability unless they needed an immediate infusion of lots of energy.

6176508 Don't give me ideas!

I'm afraid I'll have to stop here. The grammar mistakes were one thing, but I'm just not feeling up to where this is going.

Good story, but there are a few grammatical errors, like belief when it should be believe.