A man in armor holding a sword in a dark room

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