The worker appeared from behind with the gun acknowledging that the bullets from Hexaphere could kill vampires. Gary and Gravis had figured out that the mana obtained from the caves was capable of eradicating the vampires belonging to every other blood group. Those caves were once the sanctuaries of the noble bloods, who used to train themselves and meditate there.
Those caves and similar places were where the nobles set their foot and due to their constant stay there, such places absorbed their aura and the radiating energy. Garry found out that the caves near Hexaphere were a plain treasure. Both of the brothers kept the secret to themselves and began to sell the mana in exchange of perks.
The bullet hit Zaiden' right eye, he was shaken and due to the force applied he stumbled. Garry, who had been eyeing everything from the cabin suspected Zaiden' lost eye was now an evident result. But what he didn't see coming was the outcome of the worker's actions.