Quote Originally Posted by YianKutku View Post
If merely being close to falling to a Flood Of Light would be enough to change the First's glyph to be noticeably different from the others, the glyph representing the Thirteenth, which has actually fallen to Darkness, should have been even more dramatically changed.

I don't see any such obviously different glyphs, though.

If the aetherial platform is indeed a representation of the Fourteen Shards, I would instead guess that the pointy spiky sun one is the Source.
Plus the fact that 7 of the shards no longer exist.