Healer here, not liking GNBs Invun

[Zyneste]

Fundamentally, Superbolide is the same as Living Dead, which has always had this same sort of negative feedback, but has remained unchanged.

Living dead, places a buff on the target that says when the DRK reaches 1HP, to not let it go farther.

Superbolide just skips the part when you must have your HP knocked down to 1. It does it for you. You then have 8 seconds to get your tank comfortable, compared to living dead where you need to have them at full HP.

It might in play, take a few seconds off the timer because of the need to pop it early for Tank busters, but thats still a plenty of time for 2 GCDs and an ability heal.

You really can't compare any invuln to Hallowed Ground, just from how broken it is and the backlash that would result if SE changed it. Its the only one of its kind, all of the other invulns revolve around the idea of "Your HP can't fall below 1."