There are a few different ways depending on the look ur going for. Either you can use white and black pastels to mix into the color ur using or you ccan create the allusion of shading by pushing lighter and harder with ur pastel.
Although I'm not sure, I do believe it is "Delphic Sibyl". Good luck!
I really don't know the answer, I just don't know what language you're using, I'm so sorry
