Orium

TTRPG Fictional · Rare · Ancient

An arcane bronze alloy developed by ancient civilizations whose names have been lost. Orium conducts magical energy the way copper conducts heat: it stores, channels and releases arcane force without degradation.

Identity

Source
Tabletop RPG tradition
Aliases
Arcane bronze, Spellmetal

Physical Properties

Appearance
Deep verdigris green-bronze with a faint inner luminescence that pulses slowly when magic is nearby
Luster
Metallic
Density
8.8 g/cm³
Melting point
980 °C
Boiling point
1900 °C
Lighter
Maillechort
Denser
Cobalt
Magnetism
Non-magnetic
Electrical conductivity
Very High

Mechanical Properties

Mohs hardness
5
Tensile strength
500 MPa
Softer
Palladium
Harder
Inconel
Workability
Moderate
Brittleness
Moderate
Malleability
High
Ductility
High

Chemical Properties

Corrosion resistance
high
Reactivity
low

Lore & Narrative

Ancient orium artifacts are found still charged with whatever spells their creators bound into them. Archaeologists who handle them carelessly have triggered effects dormant for centuries. The oldest known piece, recovered from a drowned temple, discharged a thunderclap that shattered three display cases.

Notable uses
Spell storage vessels, arcane batteries, magical circuit components
Forge uses
arcane vessels, spell storage, magical components
Worldbuilding traits
arcane, Ancient, conductive, storage

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