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

Or perhaps the time was up for the restriction?

He had some doubts and he created a restriction again. He then made another new Whirlpool Card to throw at the restriction. He saw the shocking scene once again.

The restriction disappeared without a trace.

He used various means but he could not crack the restriction. Yet when he threw a Whirlpool Card at it randomly, it managed to crack the restriction. The method of cracking it was odd…

Lu Ming suddenly had a moment of realization.

What was the function of the new Whirlpool Card?

The initial effect was a faint absorption of energy at high concentrations.

The updated effect was the faint absorption of energy in the air.

Black Technology!