The leaf village secret scroll

Sanin are the guards of the scroll if all sanin are defeated then the scroll is owned by the defeater

The scroll sat in a holder in the center of a hut. Oshi concentrated drawing his swords as rock walls surrounded the hut on every side. The rock box grew as more and more walls surrounded it. In all there were 10 walls. "That should do Kitaro...I don't think anyone will be stealing that" Oshi said.