"It's me."
"Long time no see, Orochimaru."
Although Uchiha Yue had intended to kill the Kage-level expert before him when he first sensed his presence, a faint smile appeared on his face once he realized that the Kage-level expert was Orochimaru. Seeing someone familiar after so long put Uchiha Yue in a rather good mood.
After all, Orochimaru was not a puppet controlled by the Death God, was he?
Still, Uchiha Yue was puzzled that, using the Death God's power, he had been able to follow that mysterious and bizarre space and arrive before Orochimaru. But after looking around at the situation, Uchiha Yue suddenly understood why he had appeared before Orochimaru rather than some other Kage-level expert.
There was only one reason...
Impure World Reincarnation!
As mentioned before, Impure World Reincarnation was a forbidden technique developed by the Second Hokage. Uchiha Yue did not know exactly how it worked. However, when he saw Orochimaru use Impure World Reincarnation to successfully summon him, Uchiha Yue became certain that the secret of Impure World Reincarnation was connected to the Death God.
It made sense.
Since the Death God truly existed, how could summoning souls from the Underworld and toying with the souls of the dead not be the Death God's power?
In an instant, Uchiha Yue realized that Impure World Reincarnation had most likely originally been one of the Death God's abilities. In that mysterious and bizarre space, the Death God had been able to control the souls of the Second Hokage, the Second Mizukage, and the others to battle Uchiha Yue. The Death God must have been using its own power to clash with him!
As for why the Second Hokage had been able to master Impure World Reincarnation...
In Uchiha Yue's eyes, it was because the Second Hokage had