one thing, the sages we'ren't the only ones able to kill ganondorf. that is off topic.
the main connection i'm making with the pattern-
look at the pillars, then in the center. in the center of the pattens in both the start menu and the chamber of sages in
OOT is the Triforce.
Overlap that with tha pattern in the arbiter grounds and you'll see that the triforce points towards the slab where the mirror was reflected. I am saying, as a theory of these details, whether or not the sages are involved, that the triforce pointed towards it's original home (the Sacred Realm). After it was gone and all that was left was the prision of ganondorf, then it was the best place to lead the Twili who wanted to get there, likely for the triforce. they go trapped there with ganondorf.