If we talk about the Four Great Sects previously stepping into Heaven's territory, or even killing a few of Heaven's people, it's not crucial. After all, when both sides are at war, it's normal for Heaven, being inferior in skill, to lose some people.
However, the Four Great Sects captured Su Yang and continued to deny it, even going as far as killing Heaven's people. This was truly an insult to Heaven.
So, seeing Su Yang actually held captive here, Sandaoshima Yofu and his companions became extremely angry, feeling a deep hatred towards the Four Great Sects.
Little Black, unconcerned about these feelings, rushed forward, trembling, and said, "Master, Master, we've come to rescue you. How are you?"
Su Yang, trembling, lifted his head, glanced at the crowd, and a glimmer of hope appeared on his face: "I've waited for you all at last..."
Little Black quickly opened the cell door and helped Su Yang out.
Su Yang's steps were unsteady, and he seemed to have no strength at all.