Celestia, also known as Mount Celestia or the Seven Heavens, is the plane of Lawful Good among the Outer Planes.

Its societies place great importance on justice, responsibility, mercy, and the proper use of authority. Law is expected to provide stability and protect those who live beneath it, while those who exercise power are held accountable for how they use it.

The plane takes the form of an immense sacred mountain rising from the Silver Sea. Seven layers ascend one above another, carrying travelers farther up Mount Celestia toward the light surrounding its highest reaches.

Among its divine realms is the Dawnbreak Bastion of Myranthus, the Dawnsinger, which stands within Mertion, the Platinum Heaven.

Structure and Environment

Celestia consists of seven layers: Lunia, Mercuria, Venya, Solania, Mertion, Jovar, and Chronias.

Together they form the ascent of Mount Celestia. The lowest reaches begin beside the Silver Sea, while the highest disappear into the light surrounding Chronias.

Each layer has its own terrain and characteristic illumination. Silver, gold, pearl, electrum, platinum, and reflected gemstone light distinguish the first six heavens before the final ascent into Chronias.

The mountain supports extensive settlements and cultivated regions alongside its wilderness. Higher layers become increasingly difficult to reach, though many remain hospitable once entered.

Water descends from the upper heavens through streams and rivers, eventually returning to the Silver Sea.

Movement and Travel

Travel through Celestia follows the mountain upward.

Movement within a layer usually follows established roads, waterways, and mountain routes. Passage into the next heaven is more difficult, and simply reaching a high elevation does not guarantee that the way forward will appear.

Routes upward are often associated with peaks, elevated structures, or sacred places. Access may also depend on the traveler demonstrating qualities valued within Celestia, with the nature of the challenge differing from one person to another.

Inhabitants familiar with the mountain know additional passages between the heavens, though outsiders rarely have access to them.

Connections to Other Planes

Celestia can be reached through the Astral Plane and through established planar portals. Most external routes arrive in Lunia, making the shores of the Silver Sea the usual point of entry for planar travelers.

Direct passages into the higher heavens exist but are much less common. Some are maintained within settlements, divine realms, or other important sites where access may be controlled.

Travel between the seven layers generally follows routes within Celestia itself.

Law, Justice, and Mercy

Celestian law is expected to protect communities, define responsibility, and limit the arbitrary use of power. Judgment takes circumstance and mercy into account, while punishment is expected to serve a clear purpose.

Authority carries obligations as well as privileges, and those entrusted with it are expected to answer for their decisions. These principles shape many of Celestia's settlements, where laws often make expectations clear and establish protections for those living under them.

Individual inhabitants interpret these ideals in different ways, but the plane's established societies are broadly shaped by them.

The Ascent

The journey through Celestia has long been associated with personal and spiritual development.

Progress between the heavens can require travelers to confront something within themselves or demonstrate that they are prepared for what lies ahead. For one person this may involve accepting responsibility for a failure, while another may be required to show patience or restraint.

These challenges follow no single formal system. A traveler may remain on one layer for years before finding the path upward, while another may progress much more quickly.

Few reach the highest heavens, and reliable accounts become increasingly scarce beyond Mertion.

Inhabitants

Archons are among the principal native celestials of Mount Celestia and serve throughout the Seven Heavens in roles connected to protection, guidance, and the maintenance of the plane's societies.

Angels are also found throughout Celestia. Some serve divine powers or guard important places, while others act against threats beyond the plane.

Mortal communities are most common in the lower heavens, often developing near established routes, temples, or long-standing points of planar contact. Aasimar live among these populations alongside people of many other origins.

Souls and Celestia

Celestia is one possible destination for mortal souls after death.

Souls destined for the Seven Heavens pass through the transition overseen by Athael before continuing onward. Those who arrive are generally associated with lives shaped by service, responsibility, protection of others, and similar ideals.

Some remain within the lower heavens, while others begin the ascent through the mountain.

Celestian traditions hold that some souls who progress far enough may eventually take forms similar to the archons. The extent of this transformation and who experiences it remain uncertain.

Even less is known about the fate of those who ultimately reach Chronias.

Natural Hazards

Celestia is physically hospitable to mortal life, though travel across Mount Celestia can still be demanding. Steep terrain, high elevations, swift water, and severe mountain weather can make some routes dangerous.

Important settlements, portals, divine realms, and routes into the upper heavens may also be protected by celestial guardians.

For many visitors, the greater challenge lies in finding and gaining access to the path that continues upward.

Survival

Celestia supports mortal life throughout its inhabited regions, where food, water, shelter, and opportunities to rest are generally available.

Travel into the higher heavens requires more preparation as routes become steeper and more remote. Those attempting the full ascent should also be prepared for a journey whose duration cannot be predicted in advance.

Lunia and the lower heavens remain the most accessible regions for ordinary visitors.

Lunia, the Silver Heaven

Lunia is the first and lowest layer of Celestia, resting along the Silver Sea at the base of Mount Celestia.

A dark sky filled with stars hangs over the layer, casting a pale silver light across the water and lower slopes. Most travelers arriving from another plane appear along the shore or in the shallow waters nearby.

The Silver Sea is exceptionally clear and regarded as holy. Islands and rocky formations rise from its waters, while settlements and sacred sites occupy the coast and surrounding slopes.

Streams and waterfalls descending from the higher heavens eventually return their water to the sea.

Lunia receives more regular contact with travelers from other planes than any other layer of Celestia.

Mercuria, the Golden Heaven

Mercuria is the second layer of Celestia and is known as the Golden Heaven.

Warm golden light fills a landscape of mountains, broad plateaus, deep valleys, and fast-running rivers. Many settlements stand on the wider highlands where travel and construction are easier.

Mercuria is closely associated with remembrance and service. Memorials throughout the layer preserve the names and deeds of those who died protecting others, and some communities devote themselves to maintaining these records.

Celestia's defenders also maintain training grounds and fortifications within the layer.

Its higher paths eventually lead toward Venya.

Venya, the Pearly Heaven

Venya is the third layer of Celestia and is known as the Pearly Heaven.

Its softer light gives the sky and landscape a pale, pearlescent appearance. Fertile hills and valleys cover much of the mountain, with farms arranged along terraces and settlements scattered throughout the countryside.

Brooks and small rivers cross the lower slopes, while snow gathers at higher elevations without preventing cultivation below.

Life in Venya is closely associated with steady work, shared responsibility, and the care required to maintain a prosperous community.

Solania, the Electrum Heaven

Solania is the fourth layer of Celestia and is known as the Electrum Heaven or Crystal Heaven.

Rugged mountains dominate the layer beneath a pale silver sky. Mist gathers in the valleys, while glaciers and snow cover many of the higher elevations and feed rivers flowing toward the lower heavens.

Travel across Solania can be physically demanding. Avalanches, rockfalls, and narrow mountain routes make long journeys difficult even for experienced travelers.

The mountains contain rich deposits of metal, crystal, and gemstones.

Shrines and monasteries are scattered throughout the highlands, often in isolated locations reached only after difficult climbs. Many who travel there seek study or contemplation away from the busier lower heavens.

Mertion, the Platinum Heaven

Mertion is the fifth layer of Celestia and is known as the Platinum Heaven.

Broad plains and open grasslands replace much of the steep mountain terrain found in Solania, with great citadels and sanctuaries rising across the landscape.

Mertion plays an important role in Celestia's defense and recovery. Celestial forces train and gather within its strongholds, while other settlements are devoted to healing those injured in battle or during difficult planar journeys.

Empyrea

Empyrea is one of the great cities of Mertion and among the best-known centers of healing in Celestia.

Its springs and sanctuaries are renowned for their restorative properties, drawing healers and visitors from across the Upper Planes. Those suffering from serious wounds or unusual magical afflictions sometimes make long journeys to reach the city.

Empyrea serves a broad celestial population and is accessible well beyond the followers of any single deity.

The Dawnbreak Bastion

The Dawnbreak Bastion is the divine realm of Myranthus, the Dawnsinger.

A perpetual sunrise hangs over the realm, carrying pale morning light through its marble halls, open courtyards, and towers. Phoenixes are closely associated with the Bastion and are said to nest among its highest reaches.

Healing sanctuaries stand beside training grounds and defensive works, reflecting the close connection between protection and recovery within Myranthus's faith.

Warriors trained there are expected to understand the people and places they have been entrusted to defend, while those recovering from conflict receive care within the same realm.

Routes toward Jovar can be found among Mertion's elevated sacred sites and fortified heights.

Jovar, the Glittering Heaven

Jovar is the sixth layer of Celestia and is known as the Glittering Heaven.

Gemstones occur naturally throughout its landscape in extraordinary abundance, emerging from hills and exposed slopes with their own faint light. Their reflected brilliance gives much of Jovar its distinctive appearance.

Celestian inhabitants generally leave these stones where they formed, placing little importance on their value as trade goods.

Few travelers reach Jovar. Those who do have already completed most of Celestia's ascent, and much of the life there is shaped by preparation for the final passage toward Chronias.

The Heavenly City

The Heavenly City stands among the highest reaches of Jovar.

It rises in seven ascending tiers and serves as the principal gathering place for those preparing to seek the final passage toward Chronias.

Its terraces contain places for residence, study, worship, and preparation. Celestials and petitioners may remain there for long periods, and some choose to make the city their permanent home.

The path from the highest tier into Chronias opens only under particular conditions and cannot be reached through physical ascent alone. Few travelers continue beyond it.

Chronias, the Illuminated Heaven

Chronias is the seventh and highest layer of Celestia, known as the Illuminated Heaven.

Very little reliable information exists about its environment. Those who reach it rarely return, and surviving accounts from the lower heavens describe an overwhelming region of light beyond the summit of Mount Celestia.

Religious traditions offer several explanations for what occurs there. Some hold that those who complete the ascent become permanently united with Celestia, while others describe a final transformation of the soul before it enters another state of existence.

Neither explanation has been confirmed.

Even powerful celestials speak of Chronias cautiously, and detailed descriptions of its interior are absent from most planar records. For scholars in Eldareth, it remains one of the least understood regions of the Upper Planes.