I was actually thinking of just playing a conventional character idea for the Knights RP, though I'm not exactly sure what kind of knightsey guy would fit well with the others. My first thought was a mage-turned-knight due to outside pressures, but that might overlap with Rin's so I'll try and feel out other ideas. Unless two magic-oriented knights would be fun? Perhaps a more conventional "protector" type of knight would fit best with everyone else. Someone tall, strong, and ready to put themselves between their comrades and danger.