Automation

"Full automation", driven by the intelligence of the Cyberium, was Ashad's ideal for the Cybermen which would be achieved once they made "the final ascension to full mechanisation. As, this essentially made them robots. Following the far future Cyber-Wars, Ashad saw that an army of Cyber-Warriors had their organic components removed, and he himself intended to make the ascension, but was killed by the Master before he could do so. (TV: The Timeless Children)