The cultivators and monsters aboard the ship form the "Sea Alliance" mentioned in the side mission "Mighty and Unyielding."
Before them was a massive Eight Diagram Platform, with each direction of the diagram occupied by a group of people, eight groups in total.
Si led Li Changzhou and the others from the "Lake" position, where the Qingcheng Sword Sect was stationed. Led by a man and a woman, to those slightly more advanced in cultivation, they were like two brilliant rays of sword light.
If a common person without any cultivation, yet with enough wisdom to see some essence, were to gaze upon them, their eyes would be blinded by the sword light. Such a common person, upon seeing Li Changzhou, would also be frightened to death by the Chaos Yang Snake and the Giant Kun.
This was somewhat similar to Yang Qinglan's "Unbearable by the Lower Level" ability. Her instinct in this "unbearable" aspect was professional; she could directly kill any low ability person who saw her.