In Chapter 187

after Yan Ke left, Xiao Ze stood alone in the training ground, feeling a little excited: "according to the dragon, as long as you can inject energy into the Throwing Knife, you can double the strength of the Throwing Knife, which means that you have reached the second state of the Throwing Knife, and the mysterious air flow in my body should be able to do it reluctantly."

Xiao Ze closed his eyes and tried hard to let the mysterious air flow in his body gather on his right hand, break through the cortex of the palm and flow out of the body.

the result didn't disappoint...