Tsunade naturally knew of the Reaper Death Seal, a ninjutsu originating from the Uzumaki Clan. She stared at Uchiha Yū before finally sighing.
"Thanks. I know how to summon the Shinigami, but that is an entirely different concept from reviving someone."
Uchiha Yū did not explain everything about resurrection. At this point in time, reviving a person was simply far too difficult.
Not to mention that even the most inferior method, Impure World Reincarnation, had only been developed later through the joint research of Orochimaru and Kabuto.
As for the secret technique of the Rinnegan, it required sacrificing Nagato, and it was even less possible to use it to revive Dan Katō.
Tsunade had some connection to him, but Dan Katō had absolutely none. Moreover, Nagato's strength was of great help to Qiming at this stage and concerned the plans ahead.
As for the last option, Chiyo was still researching the relevant secret technique, and it required a relatively intact corpse.
Dan Katō had died from severe injuries, with all his internal organs gone. Reviving him was already impossible.
"People always need hope. Lady Tsunade was able to develop medical ninjutsu, so perhaps one day, you may develop a ninjutsu that exchanges life and death."
Looking at Yū's smile, Tsunade thought of Dan Katō. In the end, she drank some wine, wanting to numb herself with alcohol.
The war had not ended some time ago, and she had relied on an immense workload to keep herself busy so she would not think of sorrowful things. Today's funeral had stirred up Tsunade's painful memories.
Tsunade lay slumped over the table, murmuring Dan Katō's name.
"Ah..."
Jiraiya took off his coat and draped it over Tsunade. His care for her was meticulous, and seeing this, Uchiha Yū casually remarked,
"Lord Jiraiya should