a dark, chaotic scene where a large, multifaceted crystal, glowing with intense green necromantic energy, is partially encased in a twisted, skeletal ribcage. The ribcage is small and warped, clinging to the base of the crystal as if trying to contain its immense power but failing to cover it entirely. The crystal itself is the dominant feature, pulsating with vibrant, sinister green energy that seems to be alive, with tendrils of dark magic swirling around it and seeping into the surrounding air. The crystal’s glow should be so intense that it illuminates the entire scene with a haunting green light, casting eerie, flickering shadows across the landscape. The light refracts in unpredictable, chaotic patterns, sending beams of twisted green light shooting through the misty, corrupted air. The surface of the murky lake below reflects the crystal’s ominous glow, but the reflection is distorted, as if the water is reacting to the dark energy. Surround the scene with dark, swirling fog, filled with ghostly whispers and shadowy forms that seem to reach out toward the crystal. The background features twisted, gnarled trees, their branches bending unnaturally toward the source of the necromantic power. The sky is dark and stormy, with thick clouds swirling overhead. 4k, masterpiece, highly detailed