regarding the curse mark? An analysis of the Sound Four’s role in this episode? Hoe4Sasuke - Fanfiction.net
It sets up the thematic contrast between Sasuke’s desperate, lonely path of darkness and the bonds Naruto is trying to save him with. (Dub) 139 : Terror! Orochimaru's Mansion
This episode highlights that Orochimaru’s power comes at the cost of one's humanity, body, and sanity. regarding the curse mark