In , titled " Origin of Pain ," the story dives deep into Nagato's tragic past, explaining the transformation of the peaceful Akatsuki into a feared organization. Episode Summary
After Naruto confronts Nagato, the latter begins recounting the traumatic events of his youth. Naruto Shippuuden (Dub) Episode 173
After their training, the trio forms the Akatsuki, led by Yahiko, with the goal of bringing peace to the war-torn Land of Rain through non-violent negotiations. In , titled " Origin of Pain ,"
Hanzo takes Konan hostage and orders Nagato to kill Yahiko in exchange for her life. To save his friends and spare Nagato the guilt, Yahiko runs himself through on Nagato's kunai, sacrificing his life. titled " Origin of Pain