Talk:Stalker/@comment-31601950-20181030155719/@comment-201.164.3.232-20181111064243

He probably never had a Tenno operator, but instead an Orokin one. When Ballas explains how the Warframes work it is implied the Stalker and Acolytes might be generic inferior models, and Ballas used to be the operator of Umbra through his transference bolt.