Whoosh! Whoosh! Whoosh!
Inside a spacious underground laboratory within the Senju Clan compound, sharp whistling sounds tore through the air one after another.
This guy's talent... even my elder brother and that man back then couldn't compare to him, could they? the Second Hokage thought as he watched the red-haired figure ahead.
The red-haired figure was none other than Naraku. Following the Second Hokage's gaze, one could see two golden chains extending from Naraku's back—the Adamantine Sealing Chains, an ability only the Uzumaki Clan could wield.
However, unlike before, the golden chains now seemed to carry an additional energy. It resembled an invisible wind-natured force; while wrapping around the chains, it shredded all the air they came into contact with.
This was the special chakra circulation method developed by the Second Hokage: gather a massive amount of wind-natured energy, attach it to the golden chains or some other object, then have the caster control that energy and make it move along a specific trajectory.
In theory, if the gathered wind-natured energy was powerful enough and moved fast enough, it could tear through space.
That was right. This technique was created by the Second Hokage specifically to counter Obito's space-time ninjutsu.
As the strongest ninjutsu currently known in the Shinobi World, space-time ninjutsu could scarcely be countered by any other ninjutsu or ability apart from the Red Yang Barrier he had previously improved.
If someone in the Shinobi World mastered a space-time ninjutsu, never mind how powerful they would become—at the very least, their ability to preserve their own life would reach the pinnacle.
Take the Flying Thunder God Technique, for example. Whether it was the Second Hokage himself or the Fourth Hokage, who died during the Nine-Tails incident, if either of them had wanted to leave back then, no one