epic photo of gwendoline christie as beautiful medieval sorceress with very long black hair, battle scene, holding her wizard staff electricity surrounding it, sweaty, neutral expression, perfect likeness, rim light glow, low contrast, soft light, low light, green hue, shallow depth of field, photorealistic, cinematic lighting, lovely bokeh, warm colours, night time, movie quality, green glow from the left, excalibur 1 9 8 5, movie still, cinemascope