This Temple is hidden under the island in the middle of the villages large pond. This location is hard to locate and can not be located unless you are a high level uchiha or have info on this location. In the middle of the chamber, is a scroll that can only be 1/3 read with sharingan. Another 1/3 with the Mangekyō Sharingan and the last 1/3 with the rinnegan.
The scroll basically tells the reader that the uchiha come from the legendary sanin. With this, it tells of the legendary 10 tailed demon that can be re created with collecting all 9 demons. This demon is told to have the power of god and the ability to control the world.
