The heavy footsteps gradually faded away, finally disappearing completely into the depths of the winding pipes, leaving Ma Bin alone at the inlet of the well.
He sat cross-legged on the ground, showing no signs of tension despite sitting on a pack of explosives.
He waited quietly, calculating that the time was almost right. Then he leisurely took out his phone, unlocked the screen, and logged into a forum website.
He sent a private message to a forum friend [Noon], containing a location coordinate.
Then, he immediately turned off the phone, pried open the back cover, pulled out the SIM card, and crushed it into pieces.
Tiny crumbs slipped between his fingers, falling into the blood-stained gravel.
After finishing all this, Ma Bin slowly raised his hand and gently brushed the rough edges of the stiff mask on his face with his fingertips.
Suddenly, he tore it off, crushed it, and tossed it to the ground.
"An insider? Ha..."
