: Regarding the Binary Rifle, and the Promethean chain of command in general,
: I'd love to learn more about just how 'Mdama controlled the Prometheans
: which worked "with" him, not for him - did they have an emissary
: he worked with? An artefact he had that gave him command keys until he
: lost control? I thought that was the implication of Escalation - that when
: 'Nyon took Breath of Annihilation, and its relics, that was when he lost
: control. Evidently not, but now I have no idea what went into that
: alliance.

Sounds like it could be as simple as the Didact directed the Prometheans to follow his new allies the Covenant when he was not directly leading them himself... hence they followed Jul when the Didact disappeared. Cortana then changed that directive.