Rui's own preparations were not necessarily done though, his prior measures were related to their coordination and to their work. Now he had his own preparations to make.
('I need to gather information on the other Voidhunters,') he noted to himself.
His Martial Path was adaptive evolution. He gathered all kinds of information on his opponents through all means, including extra-combat means. He did not necessarily need to fight them to be able to develop an adapted anti-fighting style to take them down. As long as he had enough information, it was possible.
As for how he was going to procure all that information?
"I'd like to purchase all the combat information on all fifteen of these Martial Squires," Rui stated to an employee in the information transaction section as he handed her a list of names