Cover should be a Role Action

[Lyth]

Exactly. An oGCD gauge cost over time ability with a shorter recast than it does presently to make it an adequate substitute for Intervention.

[Absurdity]

I'm like half certain they meant it as a toggle like Faerie tether.

Well, the fairy tether is exactly what I described, it's just not you doing it and instead your fairy is unable to do anything else.

Exactly. An oGCD gauge cost over time ability with a shorter recast than it does presently to make it an adequate substitute for Intervention.

So basically exactly what cover does now, just with a cooldown more in line with HoS or Nascent, a more flexible gauge cost and the ability to end it early.