chapter 30 visitor after nightmare

The whispers that had been echoing in his ears suddenly disappeared. Just as Callum held his chest and breathed in fresh air, a noisy and reckless knock on the door broke into his ears.

Callum's heart skipped a beat and he ducked to the side, almost falling into the boundless abyss.

"Brother! Come here and open the door for me!" Someone seemed to be calling him outside the closed door. Callum, still in shock, suddenly opened his eyes.

"What's going on?...