warlock character, casting spell, dark robes, intricate patterns, glowing eyes, summoning circle, arcane symbols, fireball, shadow tendrils, mystical energy, floating runes, demonic pact, staff with skull, leather bracers, swirling dark mist, fantasy setting, ancient library, candlelight, magical tomes, stone walls, 3/4 view, dynamic pose, intense expression, action scene, dramatic lighting, high contrast, detailed textures, rich colors, dynamic composition, mid-cast action, flowing cape, enchanted amulet, spellbook in hand, velvet cloak, moonlit night, eerie atmosphere.