138 Chapter137-Holy Light VS the Devil (2nd update, Cheer me with Power Stones!)

It was a scene of unparalleled terror, akin to a mortal purgatory. 

Chaotic noises filled Ethan's head, causing the veins in his temples to throb violently. 

Even with his mighty mental strength, he nearly lost himself to madness. 

It would be no surprise if the Heroes in the mine had been driven to hysteria by this attack.

"Everyone, get out of here!" Ethan roared, charging straight at the demon before him.

"You actually withstood my mental decay?" Alback's eyes were filled with astonishment as he slowly floated into the air, a dreadful wave of mana instantly erupting from his body.

The terrifying black mist immediately swept through the underground city, a powerful demon aura surging like the apocalypse itself, countless ghostly shadows instantly engulfing the entire underground city.

Within the mine, a right arm holding a black blade slowly floated in, followed by a purple-red heart.