Is there a reason why League's most notorious and deadliest assassin is receiving ANOTHER buff?

Not to mention a HUGE buff on top of that.

ZedShadow Slash [ E ] Zed and his shadow slash, dealing 60/90/120/150/180 (+0.8*AD) physical damage to nearby enemies.

Each enemy champion hit by Zed's Shadow Slash reduces Living Shadow's cooldown by 2 seconds. Each enemy hit by a mimicked Shadow Slash will be slowed by 20/25/30/35/40 % for 1.5 seconds.

Enemies hit by both Shadow Slashes will be slowed by 30/37.5/45/52.5/60 % but will not take additional damage. Cost 50 Energy Range 290 Cooldown 4/4/4/4/4 Seconds

Zed and his shadow slash, dealing 80/130/180/230/280 (+0.8*AD) physical damage to nearby enemies.

Each enemy champion hit by Zed's Shadow Slash reduces Living Shadow's cooldown by 2 seconds. Each enemy hit by a mimicked Shadow Slash will be slowed by 20/25/30/35/40 % for 1.5 seconds.

Enemies hit by both Shadow Slashes will be slowed by 30/37.5/45/52.5/60 % but will not take additional damage. Cost 50 Energy Range 290 Cooldown 4/4/4/4/4 Seconds