User blog comment:GoDai/GoDai's Translations: T.U.S., Exis, and Phantaminum (Pentaminum)/@comment-109.93.38.37-20150706012237/@comment-186.115.226.176-20150921211155

Sounds right. The towers were created by the "Striker" and the "Observer" in TUS who wanted to created a god. Makes sense.