There's a good post on reddit that details Blink's reliance on Astrocyte Verse for it's usability.
Here:
https://www.reddit.com/r/DestinyTheGame/comments/sosh2v/i_really_hope_bungie_does_a_pass_over_blink_its/
I've been maining Blink for a couple months now, and while I really love the jump, it's usability in PvP is heavily reliant on AV, whereas it's just flat out unusable in PvE for platforming situations.
Astrocyte Verse (AV) Blink should just be base Blink, with AV maybe improving in air accuracy, and/or improving blink recharge time, and/or even maybe apply volatile enemies surrounding you when you Blink within like a 6 or 5m range since we got this -blam!- Void 3.0 update.
Just please touch Blink. It needs a buff so bad, I really love the playstyle but feel like my armor exotic choice is forced for me in order to play the way I want to.
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Al it needs is immunity frames again, not this terrible hitbox stretch. We are no longer playing this game at 30fps (sorry old gen players). Blink was busted in D1 because the frames would limit player reticle speed so it was extremely difficult to track a blinking warlock or hunter. Thats not the case anymore, the game runs at 60fps now and it runs way higher on pc with pin point accuracy. Blink is no longer an ability players cant track with their reticle on either platform so the frame nerf should be reverted.