He was planning a scheme for a timeline that is different from him. For that to happen, all of the tragedy that happen in his timeline should happen like clockwork.
For that to happen, he must die. This is his way of finding a chance of life in the path of death
Azief had predicted that Jean would be able to roll back time to bring back time to the infancy of the Fall without incurring certain paradox, making the time period that they live in, to be nothing more an information stream instead of a real timeline, thus avoiding a time paradox.
There is no other timeline than this. That is how Time God had altered the timeline.
Seeing all of that vision, Erika finally understand certain moves of Azief that did not make sense in the past.
Loki had always clash with him in that other timeline.
Regardless of how easy it was for Azief to kill Loki, he never did. And from the vision she saw, Azief had even supported Loki secretly at that time.