Fatigue is not merely a physical burden.

The current state of Tang Gunak, head of the Tang Clan, was a testament to this truth.

Practitioners of martial arts rarely feel the effects of physical exhaustion, even under heavy workloads, as their internal energy sustains them. Yet the shadow darkening Tang Gunak's face as he sat in his study spoke volumes.

“I’ve read this three times, yet it feels like I haven’t read it at all.”

Frustrated, Tang Gunak placed the document in his hand back on the desk. Despite its contents being neither complex nor distressing, his mind simply refused …