From Mu Origin Wiki
Weapons in MU Origin glow in various colors as its enhance level increases.
Also you can make your weapon stronger through Enhance.
The basic required materials are Jewel of Bless, Jewel of Soul, and Zen.
- From enhance level +1 to +6, the enhance level does not drop upon failure.
- From enhance level +7 to +15, the enhance level drops by 1 upon failure.
- From enhance level +7, Jewel of Guardian prevents the enhance level from dropping.
- As every 2 enhance level goes up from the enhance level 3, glowing effect gets more beautiful.