1. In the new period (1~15, etc.), the experience value required to upgrade is increased, and the experience value obtained by killing all monsters is reduced. 2. Repair the abnormality of the defending system of 85 and above. 3. Repair the exchange NPC to please the dialogue exception. 4. Fix the issue of level rewinding after 15th grade transfer. 5. Adjust the [Stealth LV.1] in the wind magic to 150 steps, and the [Stealth LV.2] to 200 steps. 6. Monster value balance adjustment, due to the fast speed of obtaining materials and upgrading after the mid-term (45 etc.), the value of monsters has been adjusted Physical attack increased, magic attack increased, and agility increased.