This is a world where cards are the core strength.
Each card is a creation of dozens of magic arrays that are combined, stacked, and resonate with each other.
Creating a new card is like doing a never-ending experiment - preparation, trial and error, frustration, and questioning, just to welcome the one in ten thousand chance of new life.
Wang Yan originally learned this way until the card that ignored the rules was created...
Concept: What kind of God should really exist?