mind flayer, illithid, psychic powers, telepathy, mind control, tentacles, humanoid, alien creature, brain extraction, mental domination, arcane energy, glowing eyes, purple skin, robes, levitation, eerie environment, underground lair, bioluminescent fungi, damp caverns, telekinetic force, psionic blast, energy tendrils, cerebral consequences, memory manipulation, intelligence drain, psychic feedback, mental fatigue, nosebleed, headache, disorientation, psychic backlash, ethereal chains, 3/4 view, dramatic lighting, horror atmosphere, tense mood, high contrast shadows.