Demon Lord of Ygdrassil, highly detailed, digital painting, artstation, concept art, smooth, sharp focus, illustration, ArtStation, art by artgerm and greg rutkowski and alphonse mucha and J. C. Leyendecker and Edmund Blair Leighton and Katsuhiro Otomo and Geof Darrow and Phil hale and Ashley wood and Ilya repin and Charlie Bowater