Kai Syaoran wasn't stupid; he knew his word alone wouldn't be enough for them to believe him. There was also no way for the two sides to build meaningful trust. He had known this since he decided to challenge Chu Ming. Since he knew this would be a problem, he had already come up with a solution.
He also decided to seize this chance to increase his prestige. He was entering a phase in his cultivation where being famous could actually be helpful.
The Righteous League of Immortals had created a powerful network bound by karma and the power of space. This network established a virtual market for all immortals to conduct their business. All one needed was a token from one of the many sects, guilds, academies, and other powers that comprised the League. With this token, one could access the Immortal Space, where all kinds of transactions could be carried out.
