Thinking of this, Adam suddenly had a flash of inspiration.
"Perhaps, traveling to other Worlds might actually be achievable."
Recalling how he cleverly entered the Naruto World.
It was by loading the Naruto template, which allowed his golden finger to break through the dimensional barrier of the Marvel Universe, thus locating the Naruto World, and then using the Reverse Summoning Technique to go to the Naruto World.
So, what is the key point?
The key point lies in his protagonist template, in his golden finger being able to break through the dimensional barrier of the Marvel Universe, allowing him to enter other Worlds through certain methods.
If he relied solely on the Reverse Summoning Technique, it would be impossible.
Just like once the Naruto template's time runs out, no matter where he is in the Naruto World, he will be automatically sent back.
The same principle applies if he wants to go to other Worlds.
The good thing now is that he already has the most crucial point.
No matter which protagonist template he loads, his golden finger can break through the corresponding dimensional barrier and locate the World where that protagonist resides.
After all, each time a protagonist template is loaded, the equipment of the corresponding World's protagonist is also teleported over.
The troublesome part is that other Worlds do not have the Reverse Summoning Technique for him to cross over.
So, this is the problem he needs to solve.
Originally, this was an unsolvable problem because the power systems of different Worlds vary.
But just now, he had a flash of inspiration and suddenly thought of a method.
That is the Dream Walking Technique Wanda uses to travel the Multiverse.
The general principle of the Dream Walking Technique is that there are many versions of oneself across the Multiverse; one uses oneself as a medium to directly descend upon a version of oneself in another Universe, thereby controlling that Universe's self to act.
He wondered if, when loading a protagonist template, using the Dream Walking Technique could similarly allow him to descend upon the protagonist of that World.
For example, if he loads the Goku template and uses the Dream Walking Technique, he might be able to descend upon Son Goku in the Dragon Ball World, and then go to Bulma's father to get the Gravity Chamber technology.
Or go to the King Kai to learn Kaio-ken, the Spirit Bomb, and so on.
Although the Dream Walking Technique is mainly used for Multiverse travel in the Marvel Universe, the Summoning Technique was originally only useful within the Naruto World.
Since he can use the Reverse Summoning Technique to go to the Naruto World when loading a protagonist template, it is highly probable that he can also use the Dream Walking Technique to descend upon the protagonist of other Worlds.
However, even if it is truly possible, learning the Dream Walking Technique is not an easy task.
There are two difficulties involved.
First, how to find the darkhold?
To learn the Dream Walking Technique, one must first find the darkhold, as it is magic from the darkhold.
As far as he knows, Wanda's darkhold came from the Witch Agatha, and Agatha's darkhold was stolen from the Kamar-Taj library.
These are clues to the darkhold in the main Universe.
As for this Universe, he only knows that Doctor Strange read the darkhold to stop Thanos.
It is very likely that the darkhold in this Universe has always been in the Kamar-Taj library and was not stolen by Agatha.
However, taking the darkhold from under the Ancient One's nose is not a simple matter.
Second, even if he does get the darkhold, how can he learn the Dream Walking Technique safely?
The darkhold comes from Chthon, the god of Black Magic, and Chthon is a Multiverse-level Dimensional Demon Gods, an Elder God, who wields the Chaos Magic, one of the three ancient powers.
He is also the source of Wanda's power.
Even Dormammu, who rules the Dark Dimension, has to borrow the power of Chthon's Black Magic.
Once one reads the darkhold, one will be mentally locked by Chthon, leading to a corruption of the mind, gradually becoming insane, until one destroys one's own Universe and is devoured by Chthon.
"This matter requires careful consideration; for now, the main priority is to find Ōtsutsuki Isshiki."
Being able to enter other Worlds would naturally be greatly beneficial to him, but for now, fifty times gravity is still sufficient, and with so many scientists helping him upgrade gravity technology, it should last for a while.
Now, what he needs to think about is how to find Ōtsutsuki Isshiki.
Either he increases his time in the Naruto World, so he is not limited to one hour a day, which would make many things easier.
Like now, his efficiency in searching alone is too low, and even if he wanted Konoha and other Ninja villages to help him search, if they found him when he wasn't in this World, they wouldn't be able to keep the target.
Ōtsutsuki Isshiki, as Ōtsutsuki Kaguya's superior, even without using his full power, is not something the Ninja of the current Ninja World can withstand.
By the time he comes to the Naruto World and gets news of Ōtsutsuki Isshiki, the person would likely have already fled.
Unless it just so happens that someone finds Ōtsutsuki Isshiki's location during the one hour he is in the Naruto World.
But where in the World is there such a coincidence?
Moreover, once he tips off Ōtsutsuki Isshiki and makes him wary, causing him to deliberately hide, he would be even harder to find.
However, at present, he still cannot think of any way to stay in the Naruto World for an extended period.
Because the key to entering the Naruto World is the loading of the protagonist template, and loading a protagonist template for one hour is a rule on the panel; he has no right to change the rules.
Unless one day he can break through the dimensional barrier of the Marvel Universe with his own strength, only then might he be able to come and go freely.
So, after careful thought, he decided that since he couldn't increase his time in the Naruto World, he would find a way to induce Ōtsutsuki Isshiki to appear voluntarily within the one hour he is in the Naruto World.
This way, he could quickly take down the opponent and then return to the Marvel Universe.
To induce Ōtsutsuki Isshiki to appear, he needs to consider what Ōtsutsuki Isshiki truly wants.
Ōtsutsuki Isshiki, as the higher-ranking Ōtsutsuki who came to Earth to plant the God Tree, was betrayed and ambushed by his subordinate, Ōtsutsuki Kaguya, and barely escaped with his life. Naturally, he harbors a deep hatred for Ōtsutsuki Kaguya.
But why, during the Fourth Shinobi World War, when he saw Ōtsutsuki Kaguya revive, did he not appear to seek revenge?
Presumably, at that time, he had not yet found a suitable vessel. If he appeared and didn't use his full power, he couldn't defeat Kaguya; if he used his full power, he would die within a short time without a suitable vessel.
So, it wasn't that he didn't appear, but that he didn't dare to appear.
Later, after Ōtsutsuki Kaguya was sealed, he naturally had even less reason to appear. Naruto and Sasuke, working together, could seal Ōtsutsuki Kaguya after she ate the god tree fruit, so they could naturally seal him too.
But what if Ōtsutsuki Kaguya wasn't sealed at that time, but instead fought Naruto and Sasuke to a draw, leaving her on the verge of death? Would he still not dare to appear?
If he didn't appear then, and Ōtsutsuki Kaguya recovered Naruto and Sasuke's power, fully returned to her peak, and once again ruled Earth, even if he could find a suitable vessel to revive, what good would it do?
He still wouldn't be able to defeat Ōtsutsuki Kaguya.