Japanese Samurai vibes right here, with this fantastic Katana sword workflow!
https://gamesartist.co.uk/katana-prop-breakdown-hung-nguyen/
3D Artist, Nguyen Van Hung, has given us an indepth look at his Katana sword workflow, in this Article he talks about inspiration, references, blockout, modelling, sculpting, retop, UV's, baking, texturing, use of ID maps and rendering.
https://www.artstation.com/nvhung
https://www.artstation.com/artwork/g2bakm