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  1. Eberron: Adventures in Khorvaire
  2. Lore

Fernia – The Sea of Fire

Fernia is a plane of eternal flame, searing heat, and unrelenting energy. It is the embodiment of fire in all its forms—destructive, creative, passionate, and purifying. To enter Fernia is to step into a realm where the landscape itself burns, where rivers of molten rock flow like water, and where the air shimmers with heat so intense it can melt steel. It is a place of extremes, where the very concept of temperature is pushed beyond mortal comprehension.

The terrain of Fernia is as varied as it is hostile. Vast oceans of lava stretch across the horizon, broken by jagged mountains of obsidian and basalt. Volcanoes erupt constantly, spewing ash and flame into skies that glow with a perpetual crimson hue. There are no seasons, no respite—only the endless cycle of combustion and renewal. Yet despite its inhospitable nature, Fernia is not lifeless. It is home to beings of fire and heat, creatures born of flame and sustained by its energy.

Among the most prominent inhabitants of Fernia are the elementals, particularly fire elementals and their kin. These beings are not merely creatures of flame—they are expressions of Fernia’s essence, living embodiments of its power. Some are wild and destructive, while others are intelligent and ancient, capable of speech and thought. Fernia is also home to efreeti, powerful genie-like beings who rule fiery domains with tyrannical pride, and azers, bronze-skinned smiths who forge weapons and artifacts in the heart of volcanoes.

But Fernia is not only a realm of destruction—it is also a place of creation through fire. The intense heat and energy of the plane make it a natural forge, and many extraplanar smiths and artificers seek it out for its unparalleled conditions. In fact, some believe that the greatest magical weapons and artifacts in history were forged in Fernia’s crucibles. The plane’s creative aspect is tied to its role in the Draconic Prophecy, where it represents transformation, passion, and the spark of innovation.

Fernia’s influence on the Material Plane is cyclical. When it becomes coterminous, its energy bleeds into Eberron, intensifying fire magic, increasing volcanic activity, and sometimes causing spontaneous combustion or wildfires. During these periods, Fernia’s presence can be felt in the heat of summer, in the forge of a blacksmith, or in the fury of a battle. Some fire mages and warlocks draw power directly from Fernia, channeling its raw energy into their spells.

The plane also has metaphysical significance. It is often associated with emotion, particularly anger, passion, and inspiration. Just as fire can destroy, it can also illuminate and warm. Fernia is the crucible of transformation, where old forms are burned away and new ones are born. This duality makes it a powerful symbol in prophecy, philosophy, and magic. Some scholars believe that Fernia is not just a place, but a state of being—a metaphor for the trials that forge heroes and the fires that purify the soul.

In terms of planar travel, Fernia is dangerous but not inaccessible. Powerful magic can open portals to the Sea of Fire, though travelers must be prepared for its extreme conditions. Protective spells, fire resistance, and magical gear are essential. Some adventurers seek Fernia for its resources—rare minerals, elemental essence, or the chance to forge something truly legendary. Others are drawn by visions, prophecy, or the call of a patron bound to the plane.

For Kael Virek, Fernia could represent a thematic contrast or a hidden connection. If the trading guild he investigates is experimenting with elemental binding or artificial dragonmarks, Fernia might be involved as a source of raw magical energy. Perhaps the guild is using Fernia’s essence to power unstable creations, or perhaps Kael uncovers a forge hidden in the Material Plane that draws directly from the Sea of Fire. The plane’s association with transformation and passion could also mirror Kael’s own journey—his anger, his drive, and the fire that fuels his quest for truth.