Hokage: Reward 10,000 Times For Teaching Disciples, Start By Teaching Naruto Sss Level Ninjutsu

Traveling through the Hokage and becoming the weakling villain Mizuki, every step he takes may lead to an abyss.

Fortunately, if the system is activated, the apprenticeship will be returned ten thousand times.

Granting apprentices ninjutsu, illusions, taijutsu, ninja tools, items, etc. will receive a system refund of up to 10,000 times.

【Ding! 】

[You grant Naruto a bowl of Miso Charshu Ramen, triggering a thousand-fold return. 】

[Congratulations on getting a bowl of Miso Barbecued Pork Chakra Noodles. Eat it all and the Chakra limit will increase by 1 Kakashi. 】

【Ding! 】

[You grant Uchiha Sasuke the treading water practice method, triggering a 10,000-fold return. 】

[Congratulations on getting the Air Stepping Technique. Stepping on the air with your feet will spiral into the sky and stay in the air for a short time. 】

…

Hokage tradition, teach apprentices to kill their masters?

It doesn't exist. In my case, the master is always better than the apprentice.