China's most mysterious special forces unit is unknown to the outside world. The intelligence agencies of other countries can't obtain any concrete information about it, and can only speculate. Experts estimate that its combat capabilities rival those of the once most mysterious Blue Spider Special Forces and Red Scorpion Special Forces, or may even surpass them... A Vietnamese agent who once took part in an operation to encircle and wipe out this unit said, "They're a pack of real devils. We lost eighty percent of our combat personnel in the jungle without even seeing their shadows. All we could do was flee in terror, never knowing when we'd die at their hands..."
