1. Change of skill training cost payment method -It is changed by selecting the skills you want and purchasing at a fixed amount of skill training in the existing Gacha skill training. -The cost is a common 20 bloodstone, a Uncommon 30 bloodstone and a rare 40 bloodstones. 2. Artifact modification -Enhanced Throwing Knife: The number of daggers increases to eight and the size is reduced. -Glass Cannon: Modified from 30% to 25% critical damage. Modified from 70% to 50% of the critical damage when it is 30% or less -Enhanced Glass Cannon: Modified from 30% to 25% critical damage. Modified from 70% to 50% of the critical damage when it is 50% or less -Berserker's Belt: When you have more than 30% of your health, you modify it from 5 seconds to 10 seconds. -Enhanced Berserker's Belt: When you have more than 40% of your health, you modify it from 5 seconds to 10 seconds. -Bloody Pendant: Bloodkill occurrence conditions 30 to 20 times modified -Enhanced Bloody Pendant: Bloodkill occurrence conditions 30 to 20 times modified 3. Stage:Tainted Forest modification -Fix the spawn distance of the GoblinSniper not to be too far away 4. Effect modification -The visibility of some of the effects of the character and monster has been enhanced.