Mizuki, who had just exchanged memories with his clone, had already noticed this very important news.

Mizuki, who has no talent for space ninjutsu and has been studying for a long time, has finally achieved initial results purely through continuous research over time.

Just as Shuimu expected, this technique is indeed a space-time ninjutsu developed based on reverse summoning. The first step is to place a positioning mark. This is not too difficult. The fourth Hokage Minato Namikaze used a special kunai with runes. Shuimu is not able to achieve such a concise level for the time being. He only relies on the help of the sealing technique to achieve fixed-point transmission. It is still a bit far from being used in actual combat, but at least the mystery of space-time has been preliminarily analyzed, and it is no longer as confusing as before.

The summoning technique is very powerful, and can even summon spirits across planes, such as the Impure World Reincarnation. However, the amount of chakra consumed varies greatly.

The toad of Mount Myoboku can serve as a summoning beast and reverse summon Uzumaki Naruto to Mount Myoboku. Then how can Minato Namikaze reverse summon himself with just a kunai and a mark?

It was not until he obtained the Flying Thunder God Technique that Mizuki realized that kunai was not necessary and the mark was the key to everything.

As the most important positioning point, both spiritualism and reverse spiritualism are indispensable.

"Space-time ninjutsu, am I overthinking it?"

Judging from the preliminary conclusion, Mizuki, who regarded the knowledge of his previous life as the truth, may have overlooked that the ninja world is not a world with very strict rules. Superluminal speed? Space-time wormhole? Mizuki even thought about the high-sounding principle of quantum entanglement, but the facts proved that he thought too much.

The clone knew what the original body was thinking, and said with a bit of amusement: "It's not that I look down on myself. With our IQ, we can't understand these high-tech things that only the real academic masters can understand. We can probably only rely on chakra to cheat in the ninja world. In terms of real research, let alone Orochimaru, we may not even be as good as Kabuto Yakushi."

The main body said with a somewhat embarrassed expression: "You are just looking down on yourself, save some morals for yourself... No, save some face for yourself!"

Although Mizuki knew that he could only act like a powerful person in front of the natives of the Ninja World because of the welfare of all mankind for thousands of years in his previous life, and his real level was just mediocre, he was extremely unhappy to be teased like this.

"I am so stupid. I was fooled by some space-time ninjutsu. Wasn't it made very clear from the beginning?"

The word "summoning" in the summoning technique has already shown everything exactly as it is, which is the ninjutsu of communicating with souls. In actual use, it is a technique that relies on the blood contract and the amount of chakra to establish a connection. No matter what summoning technique it is, the hand seals are the same when using it, which is to simply convert chakra into a technique and summon the summoned object to your side. The only things affected are the restrictions on the contract parties and the amount of chakra. Moreover, neither the hand seals nor the blood of the summoner are necessary. Blood is the bond to establish a connection. If it is not used, the summoned object is too far away and cannot be contacted, and the summoning may fail. The hand seals are limited by the type of contract, but they can actually be avoided. As long as the chakra control is good enough, it is not impossible to perform summoning without hand seals.

Many talented ninjas have used the above conditions and developed many types of summoning through flexibility. Tenten's summoning technique - Space-Time Warehouse and Flying Thunder God Technique are two of the most typical ones.

Is this kind of space-time warehouse difficult for Shuimu? He has almost worn out all of them, including fire-sealing seals, object-sealing scrolls, and various sealing techniques. It is not difficult for Shuimu to make a space-time that is not too big. It is just that its use is very simple. This kind of space-time is useless except for temporarily placing things.

At least with Shuimu's current sealing ability, the larger the space-time created, the worse the stability. According to Shuimu's estimation, his talent in summoning is not that good, not to mention compared with Uzumaki Naruto, maybe even a little behind Tenten. Shuimu has always used his attainments in sealing to make up for the disadvantages of poor summoning talent.

As for the Flying Thunder God Technique, this most troublesome ninjutsu, how exactly does it work, that allows the use of reverse summoning with just a single seal? Not until Mizuki mastered this technique completely did he understand why this technique was so difficult to learn.

"Multitasking is the key, isn't it? No wonder the Fourth Hokage's three guards were able to combine and barely perform the Flying Thunder God Jutsu."

It is already extremely difficult to lock the spatial coordinate mark, and it is also necessary to open the time and space, perform reverse spiritualism at the same time, and prevent various accidents during the transmission process. How can a person have so much energy to do so many things at the same time?

"And the seal of the Flying Thunder God Technique. I have to say, this is the most valuable part of this technique..." The clone said, "Use a special technique to mark a relative spatial coordinate and fix it. As long as the spiritualism technique works, a summoning effect will occur between the caster and the receiver. If one end is fixed, then the other end must be summoned. This is the genius way to use the core of the reverse spiritualism technique!"

"The principle is so simple, it's hard to imagine. We have been wrong before. In this broken world, we have convenient connection tools like chakra. In fact, we don't need to care about how they are achieved for now. We can study them when we have time in the future. Let's use them first." Shuimu felt that he had been too serious in the past.

"Remember the celestial attack we just developed? It was a waste of chakra because of the pure force that blasted through space to teleport."

Talking about the events of a few months ago, Shuimu was filled with criticism for his previous whimsical actions.

"Why hasn't anyone thought of using shadow clones to solve this multitasking problem?"

The clone replied, "It's too impractical. The original body and the clone have to hold hands for a long time, and they will be stunned for five seconds after the teleportation. Are they going to be used as targets? And this Flying Thunder God technique, do you think everyone can learn it? How many people can figure out its real and fake?"

"You have a point." The main body was too lazy to argue with himself, "Well, let's try it first!"

Although the fake Jinchūriki clone has consciousness, it is ultimately just a projection of Mizuki's will through the shadow clone. It has no soul and cannot sign a summoning contract. However, the clone can use the summoned beast that the original body has signed a contract with, as long as it has the same chakra or blood. Correspondingly, the Flying Thunder God Technique set by the clone is invalid, but the Flying Thunder God Technique can be used by borrowing the original body's technique seal.