Mind Body Switch Technique.
Previously, the Yamanaka Clan had always been unwilling to hand over this secret technique to the Sea Ninja Village's library for ninjas to redeem.
It was only recently, through Shikaku Nara's efforts, that Inoichi Yamanaka had finally been persuaded to offer up his clan's secret technique.
In truth, this was more beneficial than harmful for ninja clans like them.
Although it would lead to the secret techniques being spread outside the clan, they would also gain merit points to exchange for all kinds of World Government resources.
Such as Devil Fruits, Teigu, ninja tools, and even the secret techniques of other ninja clans.
Moreover, the redemption cost for such secret techniques would never be set too low.
Unless a ninja truly needed it, few would spend the points to redeem it.
Well, that also meant the merit point returns would not be very high.
Orochimaru was someone who did not particularly need it, but he had plenty of points and willfully redeemed it to expand the number of ninjutsu he knew.
However, his merit points had nearly been depleted recently in order to revive Nawaki Senju.
Fortunately, as long as he could continue producing new research results for the World Government,
the World Government was never stingy with merit points.
For example, if he could develop a method to turn monsters back into humans this time, he would certainly receive a generous reward.
And the more convenient and widely applicable the method was, the greater the reward would be.
Not to mention that participating in the Hero World mission itself would earn Orochimaru quite a few merit points.
Compared to the Mind Body Switch Technique, Shinnō's Body Activation Technique was the ninjutsu he truly needed.
In order to achieve immortality and indestructibility through his own methods,