So why is me skill on E always grey. Nobody seems to want to answer me in-game.

What Pro are you playing? A lot of Pros have E abilities that have to "lock-on" to players, such as Gunner's Rocket or Gunslinger's Gun Flurry. These will be usable once a player has entered the appropriate range for the skill, is in front of you, and you see a red lock on marker over them. Then it's just a matter of hitting E and the ability will fire.

@isnipeyoudie said:

What Pro are you playing? A lot of Pros have E abilities that have to "lock-on" to players, such as Gunner's Rocket or Gunslinger's Gun Flurry. These will be usable once a player has entered the appropriate range for the skill, is in front of you, and you see a red lock on marker over them. Then it's just a matter of hitting E and the ability will fire.

same with spark's megahurtz and wascot's party pooper.

edit: also the timing is kinda weird to get used to for gunner's rocket, a lot of times i'll hit it like half a second too early and it won't go off, but the ability is lit up.