Hysh is the Realm of Light, in the Eight Realms. The lands themselves consist of symbols and shapes with hidden meanings in these times of Chaos. Before, it was known as the realm of reason and symmetry. There are many ethereal moons.
- Dreaming Plains: The Seraphon constructed the Geometric Tower here.
- Dreaming Tombs: The Flesh-eater Courts spread out from the Dreaming Tombs following the wars of the Age of Sigmar.
- Lunarest: This diamond-faced mountain is the home of the Thungur lodge.
- Shadow Wastes: On the leeward side of the Gloaming Mountains, the Shadow Wastes were ravaged by the One-eyed King and his army of Abhorrants.
- Soothsaying Conclaves
- Crystal Portals: Learning of Sigmar's attempts to capture the Realmgates with his Stormcast Eternals, Archaon sabotaged the Crystal Portals.
- 1: Warhammer: Age of Sigmar Primer
- 2: Order Battletome: Fyreslayers
- 3: Order Battletome: Seraphon
- 4: Death Battletome: Flesh-eater Courts
- 5: Chaos Battletome: Everchosen
- The Realmgate Wars: All-gates