Dong!
After delivering a slash to the Stone Cow's body, Han Sen fell back and became petrified. Within a second, Han Sen had removed the petrification and moved forward to strike the Stone Cow again.
After a few repetitions of this, Han Sen's blade had left multiple marks on the Stone Cow's body. The purple Teeth powers were spreading.
There was no use in the Stone Cow crying aloud anymore, as the smaller Stone Cows were too far away. They wouldn't hear the squeals.
Han Sen and the Stone Cow kept fighting over the next thirty hours. Stone Cow's body was finally unable to withstand its wounds, and it was torn apart by the Teeth powers. It was reduced to nothing but shattered bits of rock.
"Mutant Xenogeneic Marquise killed. Petrified Demon Cow: mutant xenogeneic gene found. Obtained mutant xenogeneic beast soul: Demon Stone Cow."
The announcement played in Han Sen's head, and he smiled.