Chapter 497: Chapter 499 Special Personnel, Rat Plague in the City!

On the boundless wilderness, a tidal wave of skeletal cavalry charged forward, their terrifying and awe-inspiring presence sending chills down one's spine at a single glance.

The bison skeletons that followed closely behind guarded the skeletal cavalry on both sides, like a giant wave capable of swallowing everything, sweeping towards the city.

In an effort to intercept these horrific skeletons, more than twenty armed helicopters launched continuous attacks from the air, unleashing countless bullets into the ever-churning sea of bones.