Edo Tensei Continuity?

[Asura Pein]

Possible :spoiler: if you don't read manga panda.

Redirect me or ignore if this has been answered before, but it seems the edo tensei did not bring everyone back the same.
Madara got a mint condition nearly 30year old body with rinnegan and infinite chakrah.
Itachi seems healthy as ever with new eyes and all.
Deidara conpletely regenerates after death.
How is sasori a heartless puppet?:shrug:
Nagato is on his death bed and can not walk.
Can someone fill in the gaps for me??

 

[Masaki]

sigh read the manga carefully

 

[Yusuke Urameshi]

They're obviously not gonna back blind and paralyzed. Kishi wouldn't troll them that hard. And Kabuto fixed up Madara's body. He said it himself.

 

[ziggyZ]

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