The Rotten Dark Heart Mystery

[The Rotten Black Heart] 「Active」

Your real heart has been replaced by this corrupted, unnatural heart. Unlike a human heart—or even a demon's heart—this one is vastly different.

Effects:

No Pain, No Emotion: You no longer feel pain or human emotions.

Indifference to Good and Evil: No matter what happens—whether it's cruel or kind—you remain unaffected.

Fading Humanity: Over time, your emotions will fade completely, leaving you as a heartless entity.

Distant Remnants of Emotion: Though rare, you might still feel something for certain people, but even that is uncertain.

The darkness will completely consume you and will pull you into a state of complete detachment. This is the price of failure…

Arvian wanted to think, but his mind was blank. He couldn't process anything. His expression remained frozen in shock and fear, and the uneasiness in his body only grew stronger.