Floki - Vikings (Series) 3d Blender

Hello, guys. This is my first human realistic face in 3d. I made this quick sketch without paying attention to details in order to test Blender's abilities. I didn't have enough time to finish my work properly. But anyway I no longer want to get back to this character, that's why I decided to post this. I use three texture maps: color, normal, and bump maps.