chapter 20 Horse carriage chasing the sunset

Unable to sleep, Sonny decided not to go to bed.
Sitting cross-legged on the bed, he began practicing the Frozen Heart Technique, a seemingly simple but highly effective method that kept one's mind calm even in the face of overwhelming challenges.
As the days of practice passed, Sonny discovered the profoundness of the Frozen Heart Technique. It allowed him to empty his mind, making the practice of the Heart Sword remarkably efficient.
At times, Sonny even suspected if the Frozen...