NPC #35592 (possibly named "Invisible Stalker Float Uninteractible Giganticaoi") doesn't exist. It may have been removed from the game.
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Invisible Stalker (Float, Uninteractible, GiganticAOI) - Live
Invisible Stalker (Float, Uninteractible, GiganticAOI) - PTR
Invisible Stalker (Float, Uninteractible, GiganticAOI) - PTR 2
Invisible Stalker (Float, Uninteractible, GiganticAOI) - Beta
Invisible Stalker (Float, Uninteractible, GiganticAOI) - Cataclysm
