At first, Cheng Xiao felt that even if Uchiha Gen was stronger than him, there probably was not much he could teach him when it came to martial arts techniques.
But he was quickly convinced.
How to deal with Telekinesis, how to defend against Mental Power, how to counter Dou Qi, how to deal with ninjutsu, how to withstand bombardment by firearms, how to fight superpowers—these techniques were things he had never heard of or seen in the real world.
The hand-to-hand combat lessons were merely the most basic material.
After that, Cheng Xiao became like a sponge, humbly seeking instruction from Uchiha Gen.
After learning all sorts of combat techniques, he spent the days that followed training on his own while figuring out how to integrate them into his personal combat system.
After Cheng Xiao came Wang Xia.
Chu Xuan took over his basic instruction. Starting from nothing, he learned the Chakra Refinement Method and secret techniques related to Explosion Release, as well as how to use the Gene Lock.
Since Wang Xia was not a martial artist like Cheng Xiao, who had practiced the Martial Path for over twenty years, Uchiha Gen only began his special training after he finished cultivating. He spent a full half month teaching him combat from the ground up.
Half a month of beatings, combined with the aid of the Pseudo Third-Stage Gene Lock, allowed Wang Xia to improve at a rapid pace.
In the end, he became a qualified master of Explosion Release secret techniques, living up to Uchiha Gen's expectations and becoming the Central Continent Team's Deidara.
Next came Qi Tengyi's training. He spent some time becoming proficient with the Gene Lock and the bone dragon.
After that, like Cheng Xiao and Wang Xia, he began receiving combat training from Uchiha