Theosyion, the Restorative Mind is the boss of the Echo Chamber strike.
History[]
Theosyion is one of the Restorative Minds, which have the power to undo the destruction of an Axis Mind.[1] It is evidenced by the appearance of the Restorative Mind that the destruction of the Nexus Mind had dealt a devastating blow to Vex operations on Venus.[1]
Theosyion has been summoned to Venus to create a bridge through time that will undo Sekrion's destruction.[2]