Two champion concepts: something something Doran's brother something

Hi, first time posting here, so I'll expect not to be noticed at all, which is fine by me. There are no pictures because I am atrocious at drawing, but I had two champion concepts that I'd like to share. One is a bit more complete than the other. Please give me constructive feedback. I'd appreciate it. Links included are viewable only.

AP Mage https://docs.google.com/document/d/1eM9dDy2FFIEKNYlzodLL5kCpcBF6QUF5I1jtWPWF_kY/edit?usp=sharing

Assassin/Fighter https://docs.google.com/document/d/1mHbJByq_5qNxHNeESMMhsez42RzSPO-v7tmpiAJuslk/edit?usp=sharing