Invincible at the Beginning, Gokage Obito Went from Disdain to Shock

[Naruto Fan] [Travel] [System] [Invincible] [Brainless Cool] [Five Kages, Uchiha Obito, Uchiha Madara, Nagato, Akatsuki Organization, Orochimaru, Sasuke... The attitude towards Ethan - from disdain to shock] [Unify the Ninja World] Ethan traveled to the world of Naruto and obtained the "Invincible Influence System". At the beginning, Ethan was given invincible strength by the system, but the invincible strength could only last for twenty years. The conditions for permanently gaining invincible strength are: [In the next 20 years, create and brand the image of your invincible strength among 80% or more of the world's population] Ethan thought to himself. "If I want to gain invincible strength for unlimited time, I need to make almost everyone realize my invincible strength." "How about I create a unified force. Eliminate all other ninja villages and countries." "In the process of completing this plan, we can just complete the tasks assigned by the system." So Ethan took control of the Fire Nation and announced to the world, "I am invincible. Who is for it and who is against it?" Tsunade: "The brats these days are really good at dreaming." Tsunade: "If I don't do my best, I will die." Gaara: "Invincible? Then let my Sunako teach him not to be too confident." Gaara: "It turns out that invincibility is real." Ai: "Invincible? Humph, how dare a hairless kid claim to be invincible?" Ai: "... Are there really absolutely invincible monsters in this world?" Uchiha Obito: "Invincible? What a ridiculous joke." Uchiha Obito: "Invincible? At least this is a power that I can't understand for the time being. I can only think about it in the long term."