Viking?

1 old man, strong impression that makes you feel the waves, a meter long beard, ancient Korean iron helmet, dragon's scale-like iron armor, fiery stare, 180 centimeters long sword, clean background, full body

nsfw, (worst quality, low quality:1.3), (depth of field, blurry:1.2), (greyscale, monochrome:1.1), 3D face, nose, cropped, lowres, text, jpeg artifacts, signature, watermark, username, blurry, artist name, trademark, watermark, title, (tan, muscular, loli, petite, child, infant, toddlers, chibi, sd character:1.1), multiple view, Reference sheet,