"But the moment we undid the seal on the Ryūmyaku Chakra, an enormous surge of chakra erupted from underground. That scene, like a natural disaster, still haunts me to this day... in a single instant, several clan members caught in the eruption, unable to escape in time, vanished before my eyes."
As Izumi recalled that scene, God knows her expression was filled with sorrow.
"Swallowed by chakra on that scale, they had no hope of surviving. Not even a trace of them would remain in this world... once we realized that, only I and two companions who had been near the rear of the exploration party managed to barely escape.
But before we could reach somewhere truly safe, we realized that running any farther would be pointless.
The Ryūmyaku Chakra was spreading almost visibly at the time. If we let it keep erupting, it would not only expose our existence to the outside world, but also threaten the lives of our clan members, who had only just settled nearby."
Listening to Izumi's account, Minato, within Naruto's Inner World, roughly worked out what had happened with the seal he had placed all those years ago.
"The Ryūmyaku Chakra shouldn't normally have posed that kind of danger. But if simply undoing the seal I placed back then caused this... that could only mean its chakra had already been running out of control when I sealed it."
Minato pondered this.
"Yes, that's right. Naruto defeated that fellow named Anrokuzan alongside you back then, but unfortunately, you failed to stop his final act of madness. The Puppet he had created to harness the Ryūmyaku Chakra detonated this place."
Having witnessed it himself, the Nine-Tails confirmed it.
"So that means Uchiha Izumi brought that rampaging chakra... under control?"
As Minato reached that conclusion, he noticed