Epic album cover art in the Warhammer 40,000 universe. At the center stands Magnus the Red, Daemon Primarch of the Thousand Sons, towering and godlike. His colossal crimson body radiates psychic power, one glowing cyclopean eye blazing with forbidden knowledge. Ornate blue-and-gold baroque power armor is cracked and infused with warp energy, arcane runes and Tzeentchian sigils orbiting around him. Ethereal wings of psychic flame and aether rise from his back. Behind Magnus burns Prospero, the ruined city of Tizca: shattered glass pyramids, collapsing arcane towers, burning libraries, sands and ashes pulled into a raging warp storm. Warp lightning tears the sky apart. Around him march the Thousand Sons Legion: silent Rubric Marines in blue-and-gold armor, hollow shells filled with glowing dust, alongside living sorcerers wielding staves and casting blue-violet warp magic. The contrast between cursed Rubricae and powerful psykers is clear. In the background, through warp distortion, a spectral vision of Ahriman performing the Rubric ritual, glowing sigils and arcane circles in the air. The subtle presence of Tzeentch is hinted through impossible geometry, shifting eyes, and cosmic warp patterns in the clouds. Color palette: crimson, arcane blue, gold, violet warp energy, fire and dark cosmic shadows. Style: ultra-realistic grimdark sci-fi, Warhammer 40,000 aesthetic, cinematic lighting, volumetric fog, god rays, high contrast, ultra detailed.