A man in armor standing in a dark room with a sword

(Best quality,4K,8K,A high resolution,Masterpiece:1.2),Ultra-detailed,(Realistic,Photorealistic,photo-realistic:1.37),A sword-wielding demon armor warrior stood in the hall, Full body portrait of the mysterious knight, Wearing heavy armor，A sacred warrior wielding a legendary sword, Mythical warriors in full-body armor, A golden knight with divine armor, The helmet is decorated with the devil's horns, The eyes glow blood-red, Concept art for glorious figures, Crimson Armor Knight, Epic Paladin armor, Holy medieval knight, Kneel on one knee, Blades embedded in the earth, submission, Full body shot.