of Hell!Lu Cheng knew that his current card-making level was only passable. He could barely make a sword for his senior sister, and processing purple material cards would likely waste the materials.....When I first encountered "Black Tide," it was spring.

That day and night, the bright mirror hung high.

The arrival of the "first wave" was unsummoned. They emerged from the mist and vanished back into it, as if nothing had happened at all.

Perhaps only my vanished subordinates know how the battle between mist and water unfolded.