I'm a Card Maker, so It Makes Sense to Create the Underworld, Right?

There is a lack of history in this world, and everyone has forgotten the existence of the characters who are transformed into gods and ghosts. People can only rely on dangerous ruins to find some scattered history. Zhao Yan, a certain krypton gold card mobile game designer, came to this world. Character spirit card. : Bai Wuchang! Black and impermanent! King Qin Guang! Domain cards: Gate of Hell, Naihe Bridge, Peach Blossom Spring. Skill card: Ghost covering eyes, eighteen levels of hell. Card making? Isn't this just a matter of having hands? Decades later, Yamata no Orochi froze in place when he looked at the Hydra that had one more head than him. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.