Enchanting equipment can make your heroes stronger. 1.You can use either "gold" or "items" to enchant. Enchanting does not give better stats during the hero's promotion. If items are enchanted during promotion, partial resources used for enchantment will be returned to the player. 

2.Items can be enchanted to different levels according to their color: items cannot be enchanted if they are Gray. Items can be enchanted to 1 star if Green, 3 starts if Blue, 5 stars if Purple. 

3.You can use Gold to enchant once you reach VIP 7