C1569 True dragon birth

Seven Killing Techniques, its main function was stealth.

He transformed into a shadow, silently reaping the lives of his enemies.

However, this technique was after all, only the first kill of the Seven Killing Techniques.

Furthermore, Cheng Feng had only reached the Initial Stage, so when he met a real Ophthalmologist, or an existence like the Blue-Eyed Silver Winged Eagle