Twitch Rework Concept

Passive: Deadly Venom: Twitch's basic attacks stack Deadly Toxins on each target. Stacks up to 6 times and lasts 6 seconds. Twitch deals 5% additional damage to targets with Deadly Toxins for each stack. Targets with 6 stacks receive "Suppressed Immunity" which slows their movement speed by 15% and causes them to lose 1% of their max HP as true damage in 0.5% increments until the Deadly Toxin stacks wear off.

Q: Ambush: Same as live.

W: Venom Cask: Twitch throws a cask of venom at target location, putting two stacks of Deadly Toxins on all enemies inside, and slowing them. If an enemy with Deadly Toxins is hit by Venom Cask, that enemy takes 1% of their HP as true damage for each stack of Deadly Toxins they had BEFORE being hit by the cask.

E: Contaminate: Twitch causes all enemies who are afflicted with Deadly Toxin to create a small explosion around them dealing physical damage to the afflicted enemies, and afflicting all enemies around the enemy with the same number of stacks of Deadly Toxin. If an enemy has 6 stacks of Deadly Toxin, that enemy's explosion deals true damage to all enemies around it with a slightly larger explosion.

R: Spray-n-Pray: Same as live.

Thoughts?