>>5474295It is the penultimate goal of all Mechanicus to achieve true Apotheosis of Man and Machine.
Nanomachines and Necrodermis will achieve the blending of the body. After that, all that is left is the mind.
As shown by the future Magos Uther Tiberius, who joined his consciousness to what would otherwise have been an Abominable Intelligence. The Soul of Man and the Spirit of Machine in one, satisfying the Machine Gods proclaim against soulless intelligence.
Uther Tiberius was also very much clearly blessed for the Machine God sent him the company of an Alpha Pariah. A good omen, who aided future inquisitors in defeating a chaos incursion.
There's other examples of people becoming one with the machine spirit, and at least one of those was verified to be holy and acceptable on Mars 