Prompt: highly detailed cinematic photo of a displacer beast lurking in the shadows of a forest, 

tentacles, open mouth, six legs,

realistic, depth of field, blurry background,

eerie forest,

photorealistic,
(edge lighting:1.2),
(silhouette lighting:1.2),

Negative prompt: anime, cartoon, illustration, drawing,
((four legs)), ((three legs)), ((two legs)),
embedding:bad_pictures, 
embedding:EasyNegative,
embedding:bad-artist,