C787 It Was a Mess

"Boom!"

The black mist transformed into a massive hand, swallowing the sky whole.

The helicopter crews were suddenly shrouded in darkness.

Before they could grasp what was happening, the helicopters were ravaged by corrosion, their instruments failing rapidly as they plunged toward the ground.

"The corrosive nature of the black fog has intensified," Luo Feng mused