Traveling Through Another World: Kill the Boss and Become the Boss

When he woke up, Qin Zhen found himself in a different world, but darkness was king in this world, with a blood-red sky, dilapidated houses, and the faint smell of blood in the air. His friends were often possessed? People in the town died mysteriously one after another? The superpowers in his hands? Demons from another world? Level up all the way to fight the boss, kill him and become the boss of another world, a bloodthirsty bat? It doesn't exist, it's just my mount. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.