One of the Four Forces in the Manhwa. The Neutral Force are divided into four forces, each clan are positioned to each direction of Murim: North Sea, South Forest, West Desert & East Mountain. The leader of each force makes up Neutral Force's Elite Four including Dan Wu-Hyeon the King of the Northern Ice Castle, Salsung and Goddess from East Mountain & the King of Nam-Lin Yasujok (Wild Animal Tribe) from South Forest Hwang Keon Woo.
They do not meddle in the affairs of Murim and only three out of four forces have been introduced in the Manhwa, the North, the East and the South.
The East Mountains later serve as an important choke point against Sinji