Mystical summoning circle, ancient ritual, dimly lit chamber, stone walls, intricate runes etched into floor, glowing blue lines connecting symbols, ornate candles, misty atmosphere, mysterious artifacts scattered around, leather-bound tomes, crystal balls, old wooden desk, dark-robed figure standing within circle, hands raised in invocation, eyes closed in concentration, faint magical glow emanating from circle, dramatic shadows, low-angle shot, atmospheric lighting, cinematic composition.