Cosmic Steel Weapon (5e Equipment)
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Weapon (any melee weapon), Common
Cosmic steel weapons are ones forged using a mysterious black metal that does not come from this world, having arrived here by a meteorite or some other means. The anomalous qualities of the stuff make it ideal for forging in weaponry, however.
Fortitude of the Stars. Cosmic steel is nigh indestructible; This weapon can only be destroyed by magical means such as by a disintegrate or wish spell.
Conductive Inertness. Cosmic steel weapons feel cold to the touch, and cannot conduct heat or change temperature by any means.