[Question] What episode does Orochimaru watch Dan kato and nawaki die?

[Jonas Krogh Ingvarsson]

I'm looking for this specific qoute where Orochimaru watches either Dan kato or nawaki die(can't remember which one) and he says "Why are humans such fragile creatures) I need the audio of him saying this for a project..

Can anyone help me find the specific clip or episode?

(Note: it's not episode 91 so I assume he says it in a flash back)

 

[ROHAN]

I'm looking for this specific qoute where Orochimaru watches either Dan kato or nawaki die(can't remember which one) and he says "Why are humans such fragile creatures) I need the audio of him saying this for a project..

Can anyone help me find the specific clip or episode?

(Note: it's not episode 91 so I assume he says it in a flash back)

It is this episode:

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Years later, during a mission, he witnessed Tsunade's brother Nawaki dying and remarked that the lifespan and vulnerability of humans were weaknesses, and eventually began seeking out a reanimation technique.

^That is when Orochimaru says the lines you mentioned.