A clan existing within the Elfs that divines destiny, revealing the guidance of Mnemosyne and mastering the esoteric Astreia.
Though few in number, they have produced many famous sorcerers.
It is worth noting that the Clan of Hiereus is merely a collective term in modern times. In the era when Oraculum was still flourishing, the Clan of Hiereus was singular, but after the final division between Common Elf and High Elf, the Common Elves established their own unique priest institution.