The Gray Gang's stronghold was concentrated in the northern part of the city, including casinos, clubs, bars, and various entertainment venues.

Leaving Lily in a safe place, Lin Ye infiltrated a secluded underground casino stronghold alone.

The members of the Gray Gang were noticeably more competent than those of the Wild Dog Gang, but in front of Lin Ye, the difference was negligible.

It didn't take long for Lin Ye to sneak into a hidden room located at the deepest part of the casino.