While many would think dark steel, soul steel, demonic iron, or some other metal would be the one most associated with darkness and evil, the actual most feared metal in the hands of dark forces is Prismatic Steel.

yup

Darkenite is an outernatural material in the DungeonVerse and is highly sought after, cursed, anti-magical, and technically, useless

The Hohi Hohi stone is a synthetic magic jewel that grants the holder of the stone magic power

An energy dense supermaterial

Biomer, or bio-polymer is a increasingly popular fashion choice in the CE

A glome is a 4 dimensional sphere, the hypersphere version of a tesseract, a hypercube.

Alternate forms of matter

A little sentient material to spice up a fantasy setting

Lightning steel is a miraculous metal formed from an alloy of iron, carbon, silver and pure captured lightning.

A mineral responsible for refrigeration, arctic landscapes, and hot springs across the world.

Part of my series on pseudo-magical world building

Not all armor is created the same, some is made from sterner stuff, others, not so much.

A thankfully rare mineral that burn's one skin as if the Devil himself had spit on you

“Beware those gems that adventurers try to sell you. Before you know, they turn to fools’ gems”

Few things shine as bright as the jewels of Hell

"Ve'laan rust!" - Sailor slang, meaning "nonsense"

A metal with unique properties, ve'laan is prized by seafaring folk and admired by jewelers.

Different types of fabrics in a fantasy setting

A type of silk woven from tree saps

A material similar in texture to normal silk, but woven from strands of ice

A type of silk given by a special type of larvae, much finer than conventional silk. Gowns woven from Moonsilk are not more alluring but can also give off musical sounds as breezes rustle over them.