Well, 6B Pencil is the best.
I decided to draw my boy Sosna! He's a Night-IceWing. I chose contrasting warm and chilly lighting partly because it looked cool, and partly to symbolize the two sides to his personality—fire and ice, heat and cold.
Here are some of the details! Wattpad hates me.
Lineart:
Shadows/Lighting:
Flat color:
Just with the icy backlighting: