Source:
Official author blog (Korean):
http://cafe.naver.com/inutero3334
Or: http://www.thcmpny.com/826/tower-of-god-ch12/

Its a manhwa(Korean comic)
Description
What do you desire? Fortune? Glory? Power? Revenge? Or something that surpasses all others? What ever you desire, 'that is here'. Tower of God.
@Tower of God wikia
Original webcomic: http://comic.naver.com/webtoon/list.nhn?titleId=183559

We need more Tower of God pics in here

fondrive said:

We need more Tower of God pics in here

Soon.