Hidden Darkness Swallowing Light

'Only the blood of Demigods works? Where am I supposed to find a hundred of them?'

Lux frowned; his mission seemed to be interfering with other aspects of his life.

But he didn't have a choice.

The alternative would be to try and fight Lucifer for the Veil of Worlds, not only winning but also wiping out the mark on the treasure.

Somehow, everything worked so perfectly fine against Lux that it made him wonder if it was staged or not.

"Wouldn't the blood from the same source work? Is it necessary to be from different beings?" Lux asked after a while.

Selena shook her head, "Unfortunately, it has to be from different origins. We also tried to modify the special technique used for wiping out the mark on the Veil of Worlds, but it was to no avail."

"Our ancestors surely thought of everything when creating it. It was impossible even for Dad to modify it."