Devour Mutant Beasts at the Beginning

Before the red mist came, I exchanged my life with my fists in the bloody octagonal cage; after the red mist came, the whole world became my octagonal cage! When the rich man of the past knelt down and begged for mercy, just for a mouthful of clean water, I was tearing open the chest of the lord-level mutant beast and devouring its heart! They say that the end of the world is purgatory on earth, but for an underground boxing champion who climbed out of a mountain of corpses and a sea of ​​blood, this place... Is paradise! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.