By equipping cards, you can give your character a boost in stats and a variety of special abilities. Each card consists of a Prime Attribute or Effect, and a Sub Attribute or Effects
You can consume 6 cards of same Level, upgrade them to a higher level card (S Level cards cannot be upgraded). The main-attribute of the resulting card will be chosen randomly from the main-attribute of the consumed card.
You can consume 3 cards of same Level, exchange them to a same Level card with different main-attribute.
When you consume S-Level Cards, there is a chance to get a dual- prome attribute card as result.

Dual-prime attribute cards are divided into Dual Gain Card and Rapier Card

Dual Gain Cards' rimary attribute provide double gains



Rapier Cards' primary attribute provide a gain and a loss