You can do upgrade, star level up and decompose equipment in Equipment Lab

★ Equipment star up:
1. The higher the value, the more materials will need to be consumed in order to further upgrade the piece of equipment.
2 Starring up equipment will increase its growth attribute.

★ Decomposed equipment:
1. Decomposing equipment will see you obtain gold and ore.
2. You cannot decompose equipment which is currently being worn by a hero.
3. Decomposing equipment of differing levels will result in receiving differing amounts of gold and ore.