With photo-ref. Zuan shi Tedjas inspired me very much with his cosplay (it was about 1.5 years ago 0_o i'm so slow) [link] [link]
And what is funny - his cosplay was inspired with my very old fanart ^^" I had no intention to make a copy of photo and portrait similarity.
Photoshop, ~5 hours.
VIDEO on YOUTUBE in 4 minutes ^^ : [link]