Gem System
 
1. Enhance the equipment to the corresponding class will unlock the gemstone Embedment function
 
2. The gems are divided into three types, ATK gems, DEF gems, and HP gems
 
3. Four gems of the same level can be fused into a higher grade gem, i.e: 4 pieces of Lv. 1 gemstones can be fused to form a Lv. 2 gem