Lerasium
Lerasium is one of the two god metals. A normal person burning lerasium becomes a Mistborn. A Misting or Mistborn burning lerasium drastically increases their powers. Feruchemists can use lerasium to store an unknown quality, and when used as a Hemalurgic spike, lerasium steals an unknown quality.
Lerasium is notable as it is the condensed power of the Shard Preservation. The only known source were beads found at the Well of Ascension.
Allomantic Use
Normal people burning lerasium forges a constant connection between them and Preservation, turning them into a very powerful Mistborn. An Allomancer burning lerasium will gain drastically increased powers.
Alloys of lerasium produces various expanded physical and enhancement effects, including the creation of Mistings.
Feruchemical use
Lerasium, when used by a Feruchemist, has unknown properties.
Hemalurgic Use
When used as a Hemalurgic spike, lerasium steals some unknown trait or quality.