Why Obito Had 160 Sharingan In His Lab

Obito has a Sharingan stash in his lad in the graveyard hideout. But how did he get so many Sharingan? Was it all from the Uchiha Clan massacre? Did Madara collect Sharingan eyes before? And why does Obito need so many Sharingan? Is it only to cast Izanagi? Let's find out more about this Naruto mystery. Become a member to get cool perks: https://www.youtube.com/channel/UCOtn4rEY_fVhpetxmfbxG2A/join Like the video! Subscribe to DygoKnight: https://www.youtube.com/channel/UCOtn4rEY_fVhpetxmfbxG2A/featured?sub_confirmation=1