Rule 57: Anky invented rollkur all on her lonesome, no one uses it but her, her legs must be tied to the irons to keep her in the saddle due to epic inability to ride, and she's also the only person on the planet that abuses horses. Basically, she's some kind of Lucifer-Cthulhu hybrid that breaths fire and feasts on foals.

image Don't make me scan the passports.