Now, here's the fun part ghoul friends. 

James dipped a tiny spatula—noting you can use a flat brush as well—into a pot of fake blood and traced it over the shadow outline. "It is definitely OK if the line is not perfect," he pointed out. "You want it to be uneven and you want chunks in the blood."

He added, "It's going against all the rules of makeup, but if this is a real 'cut crease,' this is how it would look." 

James then added liquid blood on his lids for extra dimension, creating the illusion that his eyes had been slashed. To add more gore to the look, he suggested adding a drop of blood on the outer edge of the cut crease.