cinematic retro dark fantasy movie still of a beholder bursting through the vaulted ceiling of a ruined wizard court, one huge central eye glaring, smaller eyestalks whipping in every direction, adventurers diving behind cracked marble statues as colored magic beams scorch the floor, torch smoke, broken stained glass, wet stone, dramatic practical-effects monster design, 1980s fantasy film grain, detailed gothic backdrop, mid-action chaos --ar 2:3