After 1 second, Twitch becomes camouflaged for 10 / 11 / 12 / 13 / 14 seconds. While stealthed, Twitch gains 10% movement speed, tripled when moving towards an enemy champion within 1000 range who cannot see him. If Twitch attacks a unit or casts a spell while stealthed, he breaks stealth and gains 30 / 35 / 40 / 45 / 50 % attack speed for 5 seconds.

Ambush's cooldown is reset when an enemy champion affected by Deadly Venom dies.

Twitch hurls a cask of venom that explodes in an area, adding 1 stack of Deadly Venom, leaving a cloud of toxic gas that slows by 25 / 30 / 35 / 40 / 45 % and adds a stack of deadly venom every second to enemies inside it.

The cloud lasts 3 seconds.

Deals 20 / 30 / 40 / 50 / 60 physical damage to enemies infected with Deadly Venom. Expunge deals an additional 15 / 20 / 25 / 30 / 35 (+20% of ability power) (+0.35 per bonus attack damage) physical damage per stack of Deadly Venom on them.

For 5 seconds, Twitch gains 300 attack range, 20 / 30 / 40 bonus attack damage, and his basic attacks pierce through his attack targets, traveling all the way to his maximum attack range. The piercing bolts deal 20% less damage to each subsequent target, down to a minimum of 40% damage. They also apply on-hit effects at full damage to all targets hit.