Her reason is to guard the Swamp of Peace, a sacred relic that retains the stability from the MU planet, blocking it from succumbing into the malevolence that lurks past. The famous monster Medusa has dominated the Swamp of Calmness given that historical situations. First introduced in Period 5 https://connerdlpsv.blogrelation.com/42088316/considerations-to-know-about-boss-medusa-mu-online