A training ground and safe haven for Greek demigods (half-bloods), located on Long Island, New York. Disguised from mort...

The Roman counterpart to Camp Half-Blood, located near San Francisco. Camp Jupiter is a more militaristic settlement whe...

The offspring of a god and a mortal human, also called half-bloods. Demigods inherit some of their divine parent's power...

The magical dimension that exists alongside the mortal world in Egyptian mythology, central to the Kane Chronicles. The ...

An ancient Egyptian magical organisation that has protected the mortal world from magical threats for millennia. The Hou...

A supernatural force that obscures the mythological world from mortal perception. The Mist causes ordinary humans to see...

The home of the Greek gods, which in Riordan's mythology moves to wherever Western civilisation is strongest. In the mod...

The realms of Norse mythology, connected by the World Tree Yggdrasil. They include Midgard (the human world), Asgard (ho...

The spirit of prophecy that delivers quests and predictions to demigods. Originally housed in a mummy at Camp Half-Blood...

A prophecy central to the Heroes of Olympus series, foretelling that seven demigods (Greek and Roman) will unite to prev...

The deepest region of the Underworld, a primordial abyss that is both a place and a being. Monsters that are killed refo...

The realm of the dead, ruled by Hades. In Riordan's version, the Underworld is accessed through various entrances includ...

The hall of the heroic dead in Asgard, where warriors who die bravely (einherjar) feast and fight in preparation for Rag...