(Narrator's POV) Planet Earth, aplanet with the homo-sapiens known as humans, these human had resources alot of it. As human they managed to connect with the nature of the plants giving them spiritual powers and almost all the humans could use it though some few couldn't use it . So Yuki the supreme leader at that time decided to cast a spell which could kill all without powers and also made a law to kill them if the spell glitches .So those who could use spirit energy were called introverts as for those who couldn't were called hollow.
Audience's POV) Meanwhile in the forest, a boy about an average of 17 years was out hunting, while technically he was already chasing his prey, he was so fast and furiously seriously serious about getting his prey the deer, he was keeping up with it at a terrible speed running on the same pace the moment, he was about to grab it, he saw a demon hiding under a tree waiting to ambush the deer.
He suddenly stopped at once using his unique stamina and strength, he grabbed a stick about 4.5 inches from his pocket and threw it with his might the stick was fast, immense with force that it was crashing the ground and devastating wind the stick passed by, away from the deer the shiyah might of the wind pushed it away knowing over a tree which made it to faint but it still went straight for the demon spirit under the tree the stick crashed a hole into the tree.