Upgrade System

Type Level Chance Required Items Penalty For Failure
+1 100% None None
+2 90% None None
+3 70% None None
+4 60% None None
+5 50% None None
+6 40% None None
+7 25% 3x decrease by 1 level
+8 16% decrease by 1 level
+9 9% 5x decrease to level 0
Type Level Chance Required Items Penalty For Failure
+1 100% 1x None
+2 90% 2x None
+3 70% 3x None
+4 60% 4x None
+5 50% 3x + 5x decrease by 1 level
+6 40% + 6x decrease by 1 level
+7 25% 3x + 7x decrease by 2 level
+8 16% 2x + 8x decrease by 2 level
+9 9% + 9x decrease to level 0
Type Level Chance Required Items Penalty For Failure
+1 100% 2x None
+2 90% 4x decrease by 1 level
+3 70% 6x decrease by 1 level
+4 60% 2x + 8x decrease by 1 level
+5 50% decrease by 2 level
+6 40% 2x + 12x decrease by 2 level
+7 25% + 14x decrease by 2 level
+8 16% + 16x decrease to level 0
+9 9% + 18x destruction of the item
decrease to level 0

[0%] - that is, basic scrolls can be purchased from Sellior. They do not upgrade items from the last category.
[9%] - We can get this from Champions and Bosses
[18%] - They can be made with and
[25%] - We can craft it in Forbidden Temple, we can produce the best coils today. They also reduce legendary item damage if you fail to 9