Would be hilarious if that’s her… or at least the core from which she was splintered.
Also, on a more a serious note… we also don’t really know what Beledar is at all. We speculate/assume that because of the markings on it it’s related to Naaru but we don’t actually know that. What we know is it is acting in a similar manor to a Naaru in that it’s started to flicker between a shadow and a light phase.
Supposedly the shadow phases started when the sword was thrust into the planet, which is nowhere near this location, so at best this is some kind of sympathetic reaction or one heck of a coincidence.
While I would love for this to be a case of correlation instead of causation Blizz’s writers don’t seem to be capable of resisting the urge of causation.