Talk:Umbral Intensify/@comment-96.52.67.94-20180615153905/@comment-115.66.44.219-20180616163205

Tau is the system the Orokin sent the Sentients to in order to terra-form it, possibly for the future exodus of the Orokin to that system. They were betrayed, and many Sentients came back from Tau, and started the Old War with the Orokin.