Melee champion idea

Okay, so this is just for fun, so read it and throw me some feedback. The kit is designed for a juggernaut.

Passive: Gain increased attack speed and AA range when below 50% hp.

Q: 1st hit slows, 2nd stuns, 3rd hit deals 200% total AD true damage. W: Attack speed steriod E: movespeed and tenacity steriod R: Gain damage reduction and heal for 100% physical damage dealt.