Cristal sombre et lumineux formé à partir d’une ombre solidifiée
Prompt
A mysterious mineral called Umbrolith, appearing as solidified shadows with a dark matte surface and faint purple glow emanating from within. Its cracked, irregular edges resemble roots or veins, and its aura absorbs surrounding light. The interior shows shifting shadow-like patterns, giving it an eerie and otherworldly presence. Set on a dark, ambient background to enhance its mysterious nature
