Given Lin Mu's strength, he had no need for the three of them to help.
He did this only to keep the plot developing as closely to the original as possible.
This mission seemed unremarkable, but it was extremely important to Fushiguro.
During his battle with the special-grade cursed spirit, Fushiguro would comprehend a domain and exorcise the special-grade cursed spirit with a half-finished domain!
This would be an important stage of growth for Fushiguro, and an equally crucial piece of information for Sukuna.
Back at the juvenile detention center, Sukuna had already discovered Fushiguro's unusual nature. Not only could he serve as a vessel for Sukuna's soul as well, he also possessed the incredibly powerful Ten Shadows Technique!
Fushiguro's comprehension of the Ten Shadows Technique this time indicated that this body was nearly mature. Sukuna could begin putting his own plan into motion.
That was to break free of the restraints of Itadori's body and transfer his soul into Fushiguro's body!
Although Fushiguro was ready for the transfer, Sukuna himself was not yet prepared, nor did he have a suitable opportunity.
So, he still needed to wait.
That was why Lin Mu had brought them here.
Of course, he would not let the cursed spirit fighting Fushiguro get away. Once it forced Fushiguro to unleash his domain, Lin Mu could kill it in an instant.
After Lin Mu's group left, two sneaky figures not far behind them slowly poked their heads out.
They had just used the Newspaper-Reading Surveillance Method, a technique developed from the long-haired sorcerer's years of experience.
By casually reading a newspaper nearby, they lowered the target's guard against being followed.
"Big Brother, that move of yours is amazing! He actually didn't notice us this time!"
The long-haired sorcerer tossed the hair covering his right