Planes of Existence

There are many planes and dimensions of existence that inhabit the known multiverse. Listed here are the discovered planes.

## The Material Planes

The Material Planes are where most mortal creatures inhabit. The Prime is the biggest plane, and Feywild and Shadowfell are its echoes.

* Prime Plane: The Prime Plane is the biggest plane and the one where most mortals live. It includes the Nine Worlds within it: Midgard, Nidavellir, Alfheim, Jotunheim, Niflheim (on the borders of the Plane of Ice), Muspellheim (on the borders of the Plane of Fire), Asgard, Vanaheim, and Helheim.
* Feywild: The faerie echo of the Material Plane, home of the Seelie Court, the Unseelie Court, and various other faerie courts.
* Shadowfell: The dark echo of the Material Plane, home to many creatures of darkness. Some gods, and their demigod children, can freely access this plane.

## Transitive Planes

These are the planes that are used for planar travel.

* Ethereal Plane: A plane that is usually used for extraplanar travel by regular adventurers. It can provide a surreal preview to the world you are trying to travel to.
* Astral Plane: A timeless void.

## Inner Planes

The elemental planes. It is not uncommon for adventurers to come here.

* The Elemental Planes: The home planes of elementals. There are four distinct sectors corresponding to the four elements.
	+ Plane of Fire
	+ Plane of Earth
	+ Plane of Air
	+ Plane of Water
* Elemental Chaos: The band of existence that stretches around the Inner Planes.

## Outer Planes

Often referred to as the godly planes, due to many deities settling here.

* Mount Celestia: The home of many good and lawful deities.
* Bytopia: A realm that reflects the harmony of order and chaos. A common afterlife that the honorable dead of Helheim can try to journey to.
* Elysium: A rest stop for planar travelers.
* The Beastlands: A vast realm of biomes and beasts.
* Arborea: A plane of strong emotions, home of the Seldarine.
* Ysgard: A plane of heroics and dangerous monsters. Many heroes come here to test their resolve.
* Limbo: A plane of pure chaos. There is no gravity, though many powerful and disciplines minds can actually create things in Limbo. Home of the gith and the slaad.
* Pandemonium: A plane of madness. Many people are exiled here and are driven mad.
* The Abyss: Endless layers of death and destruction. Several demons have important layers:
	+ The Gaping Maw: Demogorgon's layer.
	+ Thanatos: Orcus's layer.
	+ The Demonweb: Lolth's layer.
	+ The Endless Maze: Baphomet's layer.
	+ The Triple Realm: Graz'zt's layer.
	+ Death Dells: Yeenoghu's layer.
* Carceri: A prison plane, six layers of vast bogs, fetid jungles, windswept deserts, jagged mountains, frigid oceans, and black ice.
* Hades: A plane that helped the creation of Shadowfell, the realm of ghosts and mysterious larva that never age and somehow always repopulate.
* Gehenna: A plane of greed and selfishness.
* The Nine Hells: The home of the devils.
	+ Avernus: Zariel's plane, the home of Tiamat.
	+ Dis: Dispater's plane.
	+ Minauros: Mammon's plane.
	+ Phlegethos: Belial and Fierna's plane.
	+ Stygia: Levistus's plane.
	+ Malbolge: Glasya's plane.
	+ Maladomini: Beelezebub's plane.
	+ Cania: Mephistopheles's plane.
	+ Nessus: Asmodeus's plane.
* Acheron: A plane of war made of four cubes.
* Mechanus: A plane of clockworks, the modrons. Ruled by Primus.
* Arcadia: A plane of complete order.
* Wonderland: Also known as the plane of dreams, Wonderland is separated by two Looking Glasses and is divided into three parts: Hearts, Chess, and Nightmare Realm.

## The Far Realm

The Far Realm is a place that mortals are not meant to go, and even deities do not venture there often. Strange aberrations originate from this plane, or are shaped from its influence. Some warlocks get their magic from the alien entities that inhabit the Far Realms.

## Gates to Hell

There are Nine Worlds and Nine Hells, as such, magic gates formed between certain worlds and hells.

* Midgard to Avernus. Commonly referred to as the "Devil's Anus," appears as a sinkhole at the southern end of the Spine of the World.
* Nidavellir to Dis. Located in Mount Hodad, the only mountain in Miner's Peak without any type of natural resource.
* Alfheim to Minauros. Located behind Mount Wisteria, guarded by the mountain elves.
* Muspellheim to Phlegethos
* Niflheim to Stygia
* Asgard to Malbolge
* Jotunheim to Maladomini
* Vanaheim to Cania
* Helheim to Nessus. Nearly impossible to use, as the Helheim entrance is located on Hel's half of Helheim. Asmodeus only tolerates it because Hel is his niece.

## Extraplanar Landmarks

These landmarks are filled with ancient and mysterious magic that provide simpler ways to travel realms.

* Gravity Falls: It appears as a waterfall of magic that flows upward, but can be utilized as a portal maker to any plane of existence.
* Planar Forest: A forest where extraplanar portals often open up and are guarded by an assortment of adventurers who close these portals.