[My name is Yakumo Xi, when you read this sentence, I will be dead...]
Once he traveled through time, he became cannon fodder. When Yakumo opened his eyes, it was the Third Ninja War. However, there was no end to the road. Yakumo obtained the system, and the system was settled every day, which allowed him to get a glimpse of the future.
There is absolutely no danger for Yakumo Xi, and she can predict any crisis in advance.
As long as you follow the trend and avoid it in advance, you can turn danger into disaster and become the strongest in the ninja world.
Sent now?