C346 Doomsday
He had to pull it out completely.
This was the simplest answer.
The goal of the Black-robed Imperial Advisor was that simple. He had been waiting for the day when someone could pull it out from the scabbard since the beginning. As for what would happen after that, it had nothing to do with him.
"Pulling out the sword should be the last step of this plan. As long as the sword is pulled out