Beginning of the assault [1]

In a remote location of Henolur, four individuals walked through a long, narrow dark tunnel.

It had been about a day since they decided to accomplish their mission, and for that long period of time, they had been stuck going through the unending dark corridors. 

For how long they walked, it seemed as though the number of tunnels was endless. Just when the group thought they were close, they would suddenly find themselves in front of a dead end.

It was then that the group of four realized they had taken things too lightly. Even though 876 had entered the city and managed to get away from their sight, there was no way he would just stay in the city without finding a proper hiding spot.

Di. Dang—

A dull metallic ring rang out. 

"The signal disappeared again."

One of the four individuals spoke up, his voice echoing through the tunnels.

"Odd…"