Raise Spectres Unsummoning Themselves

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WARPAINTER wrote:

OK so my build is such that I have the tankiest MOFO spectres in the world - I run into Boss fights, die and watch my summons decapitate Bosses.

So a few times now in Uber Atziri trio fight my Spectres have unsummoned themselves - which is problematic as I cannot simply resummon them as they're T15 Knitted Horrors and resummon isn't an option for Raise Spectres.
I thought they may have just been dying the first few times (4EX entry fee goodbye) as sometimes they move offscreen or underneath YOU HAVE DIED message and I can't see their health (QOL fix would be great here) but on the 3rd attempt after a few build tweaks I killed the trio and as I killed A'alai my full health Spectres vanished. I'm assuming this might have happened on first few attempts in this same fight too.
It's really disheartening to lose so much time and currency and have this bug stop me in my tracks. As if Raise Spectre wasn't already a big enough pain in the ass now I have this build breaking bug to stopping me from playing.

Or well thanks for your time and consideration. I hope my niche problem gets a fix in the future as it was awesome fun to design and spectate.