C31 Concentrated Dark Strength

After completing the final move, the old man gathered his Qi into his Dantian and stood still, only to be interrupted by a fit of coughing.

Jie Mu quickly approached and gently patted the old man's back.

Once the old man caught his breath, he regained his composure and smiled at Jie Mu, saying, "I'm getting old, not as sturdy as I used to be. This set takes quite a toll on me