As for the timing of what the green-robed old man said, I am afraid it has a lot to do with the Shenluo Realm. If no one can restrain Jiang Tianshu, it means that the ancient immortals have crushed the Tiandao family. Once they make a move, no one from the ancient immortals can resist live.
In this way, Ning Qi can also understand why the green-robed old man's attitude towards the demons' invasion of the fairy world is so cold.
"Senior, the junior will leave first."