So, I mentioned this in my authors note, but I have no idea how many people actually read those, (what do you mean, they're mostly pointless? I don't ramble!) so I though I'd try out the nifty 'tagged story' feature on these blogs.
If you are confused or interested in the magic system I use for my story Gladiator, I've written an explanation of the basics, disguised as a lesson for Sweetie Belle.