I don’t think this has an active effect against mere execution, given who died, but theoretically yes.
Your chain of events is required for Kiiruma to be evil, yes. Presumably the Demon in that world, given the MA bluff.
He whispered you and then me with Hazard; he allegedly claimed MA to you, and did to us.
Did you tell Kiiruma about Hazard’s pings before or after he claimed?