Deep in a shrine in Unova sits the Reveal Glass, which is said to be able to change the formes of Unova's land, air, and thunder gods, and believed to be the ancestor of all Bronzor. On the other side of the ocean, it is believed that this glass is a copy, and the real ancestor belongs to the family of the former emperor in Ecruteak and has handed down through the generations from Arceus. In truth, there is no single ancestor. Bronze mirrors were common as symbols of truth and legitimacy in the ancient world, similar mirrors have been found at many archaeological sites, and all of them have the mysterious ability to give rise to living Bronzor.

Like the bronze mirrors of old, which were imbued with a certain forgotten enchantment or technology, what a Bronzor reflects is not necessarily what exists in the present. At times it does exactly that; when a pokemon attempts to attack them, they see their own ferocious faces in the enemy and soon return to their pokeballs in terror. But when a human looks into this mirror, they are confronted instead with a series of unexplained images about themselves, which some men and women through the ages have believed to reflect the afterlife and the judgment of Arceus, but others always considered to be their own future or their subconscious desires.

Whatever they reflect, most people have always treated the Bronzor with reverence. But Bronzor are extremely intelligent pokemon, and their ideas have been often considered unbelievable; furthermore, some have found the images too disturbing to accept. Therefore, a few skeptics in every age have claimed that the images seen in the teal, living mirrors called Bronzor are nothing more than a product of the mirror's own imagination.