Upgrade Stones

Red: Level +3, Orange: Level +4, Yellow: Level +5, Green: Level +6, Cyan: Level +7, Blue: Level +8, Purple: Level +9

Red: Attribute +1~3 (50%), Skill Upgrade +1 (45%), Additional Skill (2%), Open New Attribute (3%)

Orange: Attribute +1~5 (45%), Skill Upgrade +1 (40%), Additional Skill (7%), Open New Attribute (8%)

Yellow: Attribute +2~7 (40%), Skill Upgrade +1 (35%), Additional Skill (12%), Open New Attribute (13%)

Green: Attribute +2~9 (35%), Skill Upgrade +2 (30%), Additional Skill (17%), Open New Attribute (18%)

Blue: Attribute +3~11 (30%), Skill Upgrade +2 (25%), Additional Skill (22%), Open New Attribute (23%)

Blue: Attribute +3~13 (25%), Skill Upgrade +2 (20%), Additional Skills (25%), New Attributes (25%), Quality Improvement (5%)

Purple: Attribute +4~15 (23%), Skill Upgrade +3 (18%), Additional Skill (25%), New Attribute (25%), Quality Improvement (9%)

When the level decreases, the above effects are reversed by one level, such as orange to red, but the added level remains the same

Level Down: Red: Level -1, Orange: Level -1, Yellow: Level -2, Green: Level -2, Cyan: Level -2, Blue: Level -3, Purple: Level -3

Pure luck