C1284 Serial Killing

There was a trace of ridicule on Sirius' face. Just as he wanted to mock Xu Fann, he suddenly realized that something was wrong.

If this attack had come from him, then even if he had dodged it, the attack would have either stopped or dissipated.

This was because it required a strong Spiritual Energy to sustain this kind of attack. After Xu Fann realized that his attack was useless against him