Because Gungtan had been sealed completely under the ground for a very-very-very long time, the melanin in his…
And, Sung Joon said in an interview that he bleached his hair to much for filming Island that his scalp was badly damaged. Let's give him an applause for his sacrifice ╭(♡･ㅂ･)و ̑̑
You may be onto something there. I wrote in my comment as well that i fee like yeom ji is going to be pretty important.…
From the preview of ep 11 12, Gungtan seems to badly hurt (or kill?) Yeom Ji to force Grandma open some kind of gate for monsters running lose... https://www.instagram.com/p/CpWeVLHLlCn/
Just curious why Gungtan's hair isn't black? It's kinda grey
Because Gungtan had been sealed completely under the ground for a very-very-very long time, the melanin in his hair reduced due to no contact with the sun, so that his hair turn white ( ´ ▽ ` )ﾉ his mind turn super-super-super dark as well..... The superb villain of the show ( ´ ▽ ` )ﾉ
https://www.instagram.com/p/CpWeVLHLlCn/