User blog comment:Besty17/Eiichiro Oda and Masashi Kishimoto Preview Interview/@comment-972068-20150430220029/@comment-24769684-20150504112015

Don't forget that Sasuke had Orochimaru's curse, which gave him a ridiculous amount of extra chakra. Since it's Orochimaru, it would make sense for Sasuke being able to summon snakes in an instant.

And even if it wasn't executed perfectly, does one plot point ruin the entire manga? No! I don't see anyone hating One Piece just because Moriah's zombies ran amuk in Marineford.