So here's Darkpelt, the medicine cat Bio: Was born into a litter with a sister. As a kit, he was torn between being a warrior and medicine cat. The Clan med, Echolight encouraged him to be his/her apprentice. His mother helped him also encouraged him. He was mentored/trained by the Echolight and finally got his rank. You can decide on the details. I'm really sorry for the quality, I'm not that good with bitmap.
