Si no me equivoco están jugando en el 3.6; no sé exactamente en cual fue el nerf de Zed.
Edit:
V3.7:
Razor Shuriken: damage dealt to secondary targets reduced to 45/69/93/117/141 (+0.6 bonus Attack Damage) from 60/92/124/156/188 (+0.8 bonus Attack Damage).
Living Shadow: vision radius of the Shadow reduced to 700 from 1300.
Shadow Slash: cooldown increased to 4 seconds from 3.
V3.6:
Living Shadow: Cooldown reduced to 18/17/16/15/14 seconds from 22/20.5/19/17.5/16.
Shadow Slash: Hitting minions and monsters no longer reduces Living Shadow's cooldown.
Hitting enemy champions reduces Living Shadow's cooldown by 2 seconds, up from 1.
Zed nerf? Le quitan movilidad en linea para darsela en team fight. Aparte de eso le cambiaron algo mas? Sigue farmeando easy, tradeando a cualquiera en mid e instadeleteando con la ulti xD