Why did Minato use the reaper death seal and not any other sealing technique he could have lived?

Because he lacked the strength to fully do that, he opted instead to only seal Orochimaru’s arms, accomplished by having the Shinigami cut off the arms of Orochimaru’s soul; this paralysed his arms and prevented him from performing hand seals and by extension most ninjutsu.

What happens if you use the Reaper death Seal?

Souls can only be freed from the Shinigami’s stomach by using Dead Demon Consuming Seal: Release (屍鬼封尽・解, Shiki Fūjin: Kai, English TV: Reaper Death Seal: Release). If the individual wearing the mask slices open their own stomach, the Shinigami will do the same, and any souls inside it will be freed.

Why did Minato have to use the Reaper Death Seal on Naruto?

Minato and Kushina decided that Naruto could become the said child of prophecy with the power of the Kyuubi. Since the entire Kyuubi couldn’t be sealed into the infant Naruto, Minato had to use the Reaper Death Seal. So the Kurama’s power could be brought down to seal him into Naruto.

Why was Minato able to seal the Nine Tails?

Minato is fighting Kyuubi and decides to seal the Kyuubi. Since, Kyuubi has been predominatly sealed inside Uzumakis because of their body structure and seals and fuinjutsu, Nine Tails for years was sealed inside them. Since Minato was not an Uzumaki but was well versed and learned in the sealing justu he could do what he was able to.

Why didn’t Minato seal Kurama all in one vessel?

Minato himself could barely withstand the Yin half of Kurama so he had to split it up and seal only the Light/Yang half in Naruto. Thirdly, Minato knew it wasn’t strategically smart to seal Kurama all in one vessel because that meant it would be far easier to acquire his entire power.

Why did Minato only seal half of the chakra into Naruto?

The reason why he sealed only half of the chakra into Naruto instead of sealing the whole. He sealed half of the chakra into Naruto because Nine Tail Fox’s chakra was to immense to be sealed into a infant. Minato died protecting Naruto from the Kurama’s attack. , I will always love Naruto despite the fillers. That’s my Ninja way!