As time passed, the number of Seven Stars Mysterious Evils appearing also surged.
If the Seven Stars Mysterious Evils foolishly charged forward, the mythological powerhouses would act, swiftly slaying them. However, some Seven Stars Mysterious Evils, including a few Six Stars Mysterious Evils, were skilled in ultra-long-range attacks. They didn't need to step foot on the Oasis soil, merely existing amidst the grey mist, they could launch attacks at the City of Starfire from tens or even hundreds of kilometers away.
Terrifying energy attacks kept coming from afar.
There were mythological beings to fend them off, but a prolonged defense was bound to fail. Humans didn't have the resources to outlast the Mysterious Evil.
At times like these, strong warriors were required to solo venture deep into the Evil Tide to slay these high-rank Mysterious Evils that posed significant threats to the defensive mechanisms.
This was the second difficulty of the promotion war.