1. Find Xiangyang City: NPC Strengthening Refiner, and click the Strengthening option.
2. Select the equipment enhancement bar.
3. Put in the equipment and diamonds to be strengthened. Use the lucky crystal.
4. Click to start strengthening, strengthen equipment, and greatly improve the offensive and defensive blood blue and other attributes.
5. Special note: the use of lucky crystal can greatly improve the chances of success.
6. It is estimated that after upgrading the equipment with ten bright stars, the upgraded attributes are about 3 times of the original ones.