The Uchiha and Senju had been entangled as mortal enemies for thousands of years, fighting and killing each other countless times. During those past battles, the Senju Clan had obtained quite a few Sharingan from Uchiha clansmen, while the Uchiha had acquired many secret techniques from the Senju.
After all, with the Sharingan as such a cheat, the Uchiha held a tremendous advantage in genjutsu. They could use illusions to obtain information about their opponents, even the secret ninjutsu they cultivated.
If one truly compared them, the Uchiha Clan's foundation in secret ninjutsu could absolutely be called the greatest in the ninja world!
This time, Honoka Uchiha had used the Senju Clan's body-tempering secret technique as a return gift. Although it only contained the portion that strengthened the body with Yang Release Chakra, without the higher-level Yang Release Chakra sections, it was still immensely precious.
Most importantly, this was precisely what Shimura Kentei needed at this stage. It could greatly reduce the time needed to deduce a C-Rank Body Strengthening Secret Technique.
After committing the secret technique to memory, Shimura Kentei eagerly lay down on the bed. His consciousness entered the Black Cauldron Space and fused with his duplicate. With a quick glance, he indeed discovered a grown-up loli—it was Uchiha Mikoto's duplicate.
"Fusion!"
Without wasting time, he directly activated the Black Cauldron Space's ability, merging the grown-up loli into himself and obtaining everything she possessed, including the Sharingan Kekkei Genkai.
"Sharingan, activate!"
He closed his eyes and absorbed Uchiha Mikoto's memories. After initially grasping the method of activating the Sharingan, Shimura Kentei opened his closed eyes. A bloody light flashed within them, and a black tomoe slowly rotated inside. It was the Sharingan.
"So this is Pupil Power!"
Feeling the cold, peculiar chakra within his eyes, Shimura Kentei understood