(dub) 139 : Terror! Orochimaru's Mansion -

Sasuke is trapped in a mental genjutsu designed to make him feel isolated, hopeless, and completely dependent on Orochimaru for power.

Orochimaru preys on Sasuke's desire for vengeance against Itachi, transforming his trauma into a tool to mold him into a perfect vessel. (Dub) 139 : Terror! Orochimaru's Mansion

It sets up the thematic contrast between Sasuke’s desperate, lonely path of darkness and the bonds Naruto is trying to save him with. Sasuke is trapped in a mental genjutsu designed