1970s Retro Dark Fantasy Book Cover Art

dcd@rkf@ntsy. 1970s retro dark fantasy book cover art, dungeons and dragons style, Medium shot, eye-level view of an elderly man with long white hair and a full beard, cloaked in deep red robes, positioned in the center foreground, intently gazing down at a glowing orange orb that hovers above a jagged crystalline base on a round pedestal, his wrinkled face and hands dramatically illuminated by the orb’s intense light, background shrouded in darkness with a massive, cratered moon looming overhead and faint skulls partially visible among networked cracks.