The racial Talent of the Black Corner Clan is robust Soul Power, and the ability to enhance their attacks with nature's spiritual energy while employing Soul Power attacks.
Therefore, there is a notion within the Black Corner Clan that the spiritual energy of the whole world is also a part of their own Soul Power.
Playing to one's strengths and avoiding weaknesses was something Shen Zhixing had realized in the past. Why did he have to kill his opponent face-to-face? Wouldn't everything be perfectly fine if he simply competed with his opponent in the consumption of Soul Power?
Once the opponent's Soul Power was completely drained, if he then delivered a killing blow, wouldn't that be wonderful?