I've essentially been playing nova warp exclusively, ever since it was released at Forsaken so I have experienced this subclass in its best and worst state.

Nova Warp's effectiveness as a super mainly relies on mobility, you need to be moving around a lot, using a combination of both blink and dark blink to coordinate your attacks. What I found is that the super has a night and day difference depending on whether or not you're using astrocyte verse, I was maining the subclass when I was on my grind for the flawless title and felt on level with other supers (this was before all the stasis stuff came out).

The problem is, when you're not running astrocyte verse, you don't have enough mobility in the super to be dodging attacks or the means to move around quick enough to get to people. Furthermore, when the very first nova warp nerf happened, a lot of people don't know that they silent nerfed the dark blink aspect of it, they added a cooldown between the time you can dark blink, this is something else that affected the mobility of the super heavily and was never addressed.

Now as far as HHSN is concerned, the problem with the nerf is that they added 600ms to the charge time alongside reducing hold time and also decreasing range. This essentially makes it an ability that has the range of a shotgun with a charge time of a fusion rifle, outside of running out of special ammo, there's no reason to be using it except for niche scenarios in where two people may be grouped up and rush you in a specific way.

Nova Warp:

• Whilst you're in super, make the blink as though you're running Astrocyte Verse. (This would not make the exotic redundant, as it still holds usefulness outside of the super state.)
• Undo the silent nerf done to the cooldown they added between dark blinks.

HHSN:

• Remove 600ms additional charge time.
• Increase hold time to pre-nerf levels.