Where the hell is Susan?

Yon took a whiff of the air, and a frown creased his brow.

"The air is polluted, but why can't I find the source?"

He gazed at the people behind him who were busy contacting one person after another. Yon heard everything they talked about because his senses were sharper than his rank, that's why he couldn't help but let out a smirk.

'The young ones really know how to make others panic...'

He shook his head and started floating to once again sense the air. So, he could find the source of the air pollution, the same air pollution he sensed the moment he came out from the tower.

Yon closed his eyes and sensed everything around him. The air, the flow of mana, the faint light particles. But his eyes snapped open when he sensed another type of faint sapphire-colored particles mixed with the air. Those particles were devouring the mana in the air and multiplying rapidly.

"What in the world is this thing...?"