The peaceful town, Sangaji-Maeul was captured by the bandits called as Dark Moon Shadow. They mobilized all the townsmen and built a castle which would be used for a fortress. They called it Gasiseong. It is very difficult for even the government troops to occupy the natural fortress.

The peaceful town, Sangaji-Maeul was captured by the bandits called as Dark Moon Shadow. They mobilized all the townsmen and built a castle which would be used for a fortress. They called it Gasiseong. It is very difficult for even the government troops to occupy the natural fortress.