Scar oc art

I have a hard time drawing scars, how do you do it? Big and small ones? Amazing art btw! :D well i’m not good at it too, but let’s me show you the way I (!) do it First of all it’s a shape of the scar...

A lone hooded figure, meditates on top of a snowy mountain in the region of Skellige. His knees planted firmly to the ground, his hands placed on top of his thighs with the palms facing upwards. The wind, blowing against his hood, to reveal a man with raven-black hair, and pale-white skin. His skin was not all pale though, his face and neck were littered with blood-red face paint or tattoos. He was also wearing a mask of sorts, it was black, but it also was decorated with red and white…