As traps go, a bit haphazard. DOCTOR: Xoanon must have shorted the electrical power circuits in the wall. Destroy! Effective, but crude. NEEVA: Unfinished, for the Tesh stand between the sons of the tribe of Sevateem and Xoanon. TESH: It means death and destruction. They will soon gain entry to the tower.
Plan: A: the powerful but long-suffering Xoanon; Q: Who is ignoring the strife between the Saveteem and Tesh? A: its full resources; Q: What does Xoanon commit to killing the Doctor? Summary: As the Saveteem and Tesh finally close in for a fight to the death, the powerful but long-suffering Xoanon ignores their strife to commit its full resources toward killing the Doctor, even to the extent of destroying everyone.