Inverse, Starting from a White Mouse

In an underground laboratory at the foot of Jiugang Mountain, a bloody prisoner broke free from his cage. The severe pain caused him to wake up from nothingness. Zhang Ziang opened his eyes and found that he had traveled through time. Not only does this place have technology that far exceeds that of the earth, but there are also incredible magicians, curse monsters, curse weapons... Wait, why did I start as a guinea pig? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.