But really, we've got two people in the Lore who specialize in Vex related issues and it's never occurred to Eris or Ikora to give them a call?
Like sure Asher is grumpy and no one except Eris likes him, but Osiris would've been a big help.
I mean look at Ikora, she's building a gate in the tower for Travellers sake, first thing those two would have probably said is how crazy that is.
Edit: 3, and Failsafe
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Osiris has gone dark I think? At least that's how I read one of the flavor texts on ikora's weekly bounty Ashur? I don't know