The Second Hokage, Senju Tobirama, was proficient in space-time ninjutsu.
As the creator of the Flying Thunder God Technique, how could the Flying Thunder God Technique used by the Second Hokage be inferior to that of the current Fourth Hokage, Minato Namikaze, who had once been Uchiha Yue's friend?
Moreover, during his fierce battle against the brothers Uchiha Madara and Uchiha Izuna, the Second Hokage had suddenly used space-time ninjutsu to instantly kill Uchiha Izuna. His ability to launch surprise attacks was clearly formidable. Thus, he abruptly appeared using the Flying Thunder God Technique and, while the First held Uchiha Yue's attention, the blade in the Second Hokage's hand struck toward Uchiha Yue's chest.
That lightning-wreathed blade—what else could it have been but the Second Hokage's weapon from the original Naruto story, the Sword of the Thunder God?
Yet, despite seeing the Second Hokage attack, Uchiha Yue showed not the slightest fear.
Why?
Because after cultivating anew within that mysterious and bizarre space, Uchiha Yue had gained the power to utterly crush the Second Hokage. Even when faced with the Second Hokage's sudden ambush, Uchiha Yue was confident he could stop it with his own secret techniques. He simply intended to seize this opportunity, while the Death God had sent the Second Hokage to ambush him, to instantly kill the Second Hokage and avoid being besieged by too many Kage-level experts!
Clearly, since Uchiha Yue had already said that he would use the abilities of his Eternal Mangekyou Sharingan to instantly kill the Second Hokage before him, there was no way he would use any other secret technique.
This was the confidence of the strong!
Or rather...
This was the bearing of the strong!
Then, just as the Sword of the Thunder God in the Second Hokage's hand was about