Infinite Possession System

I saw Yu Canghai's moves alternating between autumn and winter, like the autumn wind sweeping away fallen leaves, and the piercing force of winter attacking Yang Zilan. Yang Zilan's moves were like a ghost, unparalleled speed, complicated changes, and the sword moves were extremely fast and weird; In this short period of time, they fought for more than ten rounds. The swords of both sides collided, sparks appeared from the collision, and both sides retreated...