New Champion Idea! - Different mechanics

I've got a new Idea for a Champion. The Champion is not completed, but his skills are, If You got any Ideas let me know, please! By the way, Sorry if my English isn't that good.

New Champion Name: To be decided.

Roles : Assassin; Jungler.

PlayStyle: Agressive; Juggernaut.

Difficulty :9/10

Mechanics: Totally Diferent from the other Champions

Champion Model : To be decided; Sugested - An animal-like Champion

Note: Every cooldown/ad scaling/etc. can be changed

Passive- 25% of His Currently AD is converted to AP The first attack of every 20 seconds heals "the champion" for his total ap

Q - Direct attack, jumps to an enemy dealing 55/70/100/120 dmg + 60%([until the last upgrade], the last Q upgrade turns the 60% to 50% total ad) of "his" AD + 100% AP with 9/7.5/6.5/5 sec. cooldown

W- Passive - Every third attack on target, "The Champion" Gains 1/1.5/2 AD damage per second- stops if "The champion" stops attacking for 2 seconds, the bonus ad limit is 10/13/15/20 No active

E- "The Champion" sends a mirror with identical to the champion for 12 seconds - cooldown 60/55/50/45 seconds

R- From level 6 to level 11 his ult can be used as: 25 ad + 35% AOE movement speed [OR] 500 hp At level 11 "The champion" has to decide from: 60ad + 40/47.5% AOE movement speed [OR] 550/650 hp Ult passive- when he reaches level 11 he gets an special item on the shop in wich he can upgrade his ult ( with the options ahead) by buying the respective item