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Plunging the knife into the lower abdomen and driving it upward to the heart can make the enemy die quickly.
Gao Yang had used this technique to kill the first man who had wanted to kill him, but this time, it was Gao Yang who was stabbed. However, Gao Yang was wearing a bulletproof vest, and his opponent was obviously unaware of it.
Since bulletproof vests can stop bullets, let alone a mere military spike, Gao Yang felt like he had been punched in the stomach, but in the urgency of the moment, it was as if he felt nothing. The moment he was stabbed, he turned around, swinging the axe in a slanting motion, bringing the side of the hammerhead down hard on the head of the man who had stabbed him.