User blog comment:GoDai/GoDai's Translations: T.U.S., Exis, and Phantaminum (Pentaminum)/@comment-72.27.144.27-20120630000642/@comment-1926430-20120630002502

Hmm maybe. I'm not exactly sure why that's necessary if there are methods to awaken Exes in the outside world though.

Within the Tower of God, Kun once mentioned that "Maybe only the God that created the Tower knows..." While no one is sure what this "God" is, it seems most of the inhabitants of the Tower think this God is the one that created the Tower.