This video shows how to paint the freehand eye on Abaddon The Despoiler's shoulder armour. It also includes the NMM gold trim.
The following paints were used:
Games Workshop: Flash Gitz Yellow, Temple Guard Blue, Kantor Blue, Cadian Fleshtone, Ushabti Bone, Balor Brown, Mournfang Brown, Rhinox Hide
Vallejo: Black, Pale Grey Blue, Ice Yellow
P3: Morrow White