Well, it's technically Greek for steel and iron, but that's not relevant
Yeah, but it being liquid would be cool. And control of liquids is never not a good thing- it's more interesting than yet another solid metallic form of invesiture.
I've seen Blood as midnight essence, but that leaves us with two big ??? I've tried to differentiate them a bit.
Crimson: Bright red spines that are needle sharp and deadly. (Sinew)
Zephyr: Air. (Zephyr)
Verdant: Vines. (Pulp)
Sunlight: Light and Heat. (Spark)
Roseite: Crystal:(Lucentia)
Mirage: Illusion (Vapor)
Slick: Flammable Oil (Tallow)
Adamant: all 16 metals? (Foil)
Craig: White, chalky stone in the shape of bony growths. (Talus)
Caustic: Acid (Blood)
Midnight: Midnight essence
12.....