Why wasn't Hiruzen able to completely seal Orochimaru's soul? When Minato who sealed Kurama did so with Kurama's fingernail inside him. - Quora

Who is Hiruzen? Why was he only able to use five out of the six nature transformations? - Quora

Orochimaru's Sealed Arms

Why wasn't Hiruzen able to completely seal Orochimaru's soul? When Minato who sealed Kurama did so with Kurama's fingernail inside him. - Quora

Why wasn't Hiruzen able to completely seal Orochimaru's soul? When Minato who sealed Kurama did so with Kurama's fingernail inside him. - Quora

Can Orochimaru use the Reaper Death Seal? - Quora

Why wasn't Hiruzen able to completely seal Orochimaru's soul? Why just his arms? - Quora

Would Orochimaru have failed to stop the Nine Tails if he was in Minato's shoes? - Quora

Why didn't Orochimaru use the Shinigami Mask to get his arms back the very moment they were sealed by Sandaime Hokage Sarutobi Hiruzen? Speculate if you must, but no answers saying 'plot

If Minato already has half of Kurama before the other Kurama stabbed him, why didn't he heal from his wounds? - Quora