反倍投法是怎么操作的

简介：Xiao Xiaobai crashed into the stone wall in embarrassment, knocking out a human-shaped dent in the stone wall. Just after he fell, he leaned on the Songyang pestle in his hand and spat out a mouthful of blood, his color turning red. From the corner of his eyes, he saw the spreading fire energy storm. As if a bloody phantom stepped out, a dazzling bloody sword light flashed.