He saw a man in a black robe descend from the sky and knock the king unconscious with one palm strike.
He was not the kind of person to flee when his master died, but rushing to his death knowing he wasn't a match wasn't loyalty, it was madness.
So he ran for his life!
Perhaps it was by the grace of heaven, as high-ranking martial artists on patrol nearby sensed the energy fluctuations and used their lightness skills to investigate the Cold Palace. They probably got entangled with the assailant, giving him the chance to escape.
He initially planned to return to the king's Sleeping Palace to call for reinforcements, but was shocked to find all the guards there had been killed.
He boldly guessed that it was during the king's visit to the Cold Palace to see Consort Han that someone had sneaked in to kill them.
Afterward, the killer went to the Cold Palace to report to Consort Han and knocked the king unconscious.
