In Fantasy Westward Journey, you can refer to the following for what gems can be used with Fantasy Westward Journey Datang weapons:
Datang is a physical sect, and you can choose red agate gemstones for weapons, such as the 10-forged weapon in the picture below. Onyx's hit is 25 points, which is 8.3 damage, and the sun's hit is 8 points more damage. In comparison, onyx is better.
