self-destruct

Just then, Shiro Takahashi's head, with its tongue sticking out, suddenly separated from his body and flew to the side.
Tommy Tang, holding a sickle that glimmered with a ghostly light, appeared behind Shiro.
The Sickle of Death saved Han Tang's life in the nick of time.
Normally, Shiro's body was extremely resilient, and it was difficult to sever his head with one stroke, but Tommy, with his seasoned experience, struck precisely at the back of his neck, the weakest spot, akin to the vital...