On the Tibetan Plateau, atop a remote snow-covered mountain, two tall white men sparred with katana in hand. Judging by their movements and demeanor, no one would have found it strange if they had truly been fighting to the death.
"You can already take on six men by yourself. Now, I'm going to teach you how to take on six hundred." One of them, a blond man, spoke to the dark-haired man opposite him.
The katana collided with a crisp clang. Their breath turned into white mist, obscuring their vision but unable to hide the killing intent in their eyes.
"You know how to conceal yourself, and I can teach you how to become invisible in the eyes of others. A ninja's invisibility relies on patience and swift agility."
"You cannot let your enemies see you as an ordinary man. You must overcome your fear, then become the source of others' fear."
Lesson after lesson, knockdown after knockdown, yet the dark-haired man showed no sign of discouragement.
This dark-haired man was Bruce Wayne—Bruce Wayne before he became Batman. At this time, he was undergoing the training of the Ninja Master from the League of Shadows Alliance.
At this moment, the Ninja Master had no idea how great Bruce Wayne would become in the future. Even Bruce Wayne himself did not know.
If nothing unexpected happened, this master and disciple would continue loving and fighting each other like this, until Bruce Wayne decided that he was fundamentally incompatible with the principles of the League of Shadows Alliance, fled from it, returned to Gotham City to become Batman, and eventually killed the Ninja Master.
However, the fate that had seemingly been set in stone appeared to have shifted slightly.
A twisted bolt of lightning suddenly appeared between master and disciple, blasting them