Then he gave the gun to Gabriel, and said that Gabriel might smite as hard as he desired, whatsoever might be before him, and the hammer would not fail; and, it would never miss, and should he grip it would never fly from his hand. *The Book of Blaine 1:2-3*
Calibur is the name given to the mystic bullets of employed by the Paladins. Each bullet is forged from Jolnir, the only metal strong enough to contain the corrupting energy of the Brimstone from which the powder is made. While Brimstone itself is an metal of corruption; its powdered form as employed by the Adrites is treated in such a way that that its corruption is turned to poison and all those wounded by the Calibur are destined to die a slow death.
Because of the natural thickness of Jolnir, the Calibur are an unusually large size of bullet and so the guns themselves are equally an usual make. Each Cyreners, termed for those that carry them bare a great weight, is an oversized large caliber four-round revolver. Because of this, a Cyrener is made to fire the Calibur only. The guns themselves have unearthly resistance to almost all forms of attack, and includes grips carved from Yggdrasil. The metal of the Cyreners is forged from a combination of netherium, bane-iron, silver, and other metals.