Below an old tree, in front of the edge of the mountain, a boy could be seen throwing a flying disk-like weapon one after another. Minutes passed, hours passed, and even days passed, but he didn't stop. A middle-aged man could be seen sitting below the tree looking at the boy, guiding and motivating him while also focusing on creating the last technique.
It was not easy to understand an Array and create an attack pattern, especially when the weapons used were chakrams that were not commonly used. He also needed to prepare a unique attack pattern that would be almost impossible to dodge; He needed to research Arrays before creating a blueprint for his Chakram Array.