Minus Ninety Degrees

The Card Creator is a very ordinary profession. Simply put, the incumbent seals various kinds of abilities, illusions, images and so on in blank cards for convenience of use.
Lu Ming, who initially planned to lead an idle life, had a not-so-boring dream now — He hopes to seal the entire world in the cards.
One still needed to have dreams. What if you could realize them?

Divine Card Creator

The entire city was in a deep slumber.

An encryption hobbyist organization did not rest for the whole night. They were studying one card. It was because this card had made all the Card Creators feel at a loss.

From day till night and from night till dawn.

A group of Card Creators looked up dazedly.

They had been studying this card for an entire night and yet, they had not succeeded in doing so!

What the hell was this encryption method?

At the beginning, they thought that this was a modified version of the D Encryption!

Hence, they had been using D Encryption methods to crack it. However, after examining it for a long time, they discovered that something was not quite right. They could only restart all over again!

Such a Dumb Encryption Method