There you are, culprit

Just as he was about to give up, a slight breeze suddenly blew through the oasis.

The towering Sakura Tree beside the oasis swayed along with the breeze, its leaves rustling noisily.

The pink flowers blooming all over the towering Sakura Tree fell into the oasis with a light tug of the breeze, and they floated quietly on the surface of the water.

A moment later, they dissolved apart and vanished in the water.

 [Could that the culprit?]

Solving the puzzle in this mystery also caught Nero's interest. As such, he too was curious as to how the warlocks were turned into a pile of yellow and after consuming the water.

That is why he went out to test it for himself. Only to find out that there is nothing wrong with the water in the oasis. In fact, it was even effective in quenching one's thirst compared to ordinary water.

 [Litte lass, can you try picking some flowers over that tree and obse