No it's not open source or legal, but Gravity appears to have given up on legally defending the game after eAthena got to a workable stage, as witnessed by innumerable pay-for-items private servers which all profit on original assets created by Gravity.
No it's not open source or legal, but Gravity appears to have given up on legally defending the game after eAthena got to a workable stage, as witnessed by innumerable pay-for-items private servers which all profit on original assets created by Gravity.
http://en.wikipedia.org/wiki/EAthena