Sorry but all I read is, that you want to take a terrible burst skill and make it a reliably hitting burst skill, that still is terrible.
The Problem with this skill, in my opinion, is that you use 3 adrenaline bars to cast a slow, relatively weak skill, that buffs you with fury, which most warriors already have almost permanently, because of signet of rage, for great justice, traits or runes.
Other burst skills have a certain benefit, like flurry´s immobilize, stuns, very high damage (axe and rifle) or AOE fields.
The greatswords burst skills does not have anything that makes it worth using, aside from the trait, that restores endurance, when you use burst skills (Building Momentum).
This skill needs either more damage or utility, to be worth using, and if I remember correctly, some devs said that it would be utility.
I´d suggest to give it an additional or new mechanic.
For example:
-lots of vulnerability stacks
-an aoe jump as a gap closer, like earthshaker
-might stacks, as this skill used to work
-another movement skill, like rush
-a sweeping AOE attack that inflicts lots of torment stacks
-a knock up behind yourself (I remember seeing this as the number 5 Skills from some beta video)
Just about anything that would give the burst skill a use and make it worth to give up adrenaline, which gives you benefits like, adrenahealth, berserker`s power, heightended focus or simply any other burst skills that has a use.
