A mystic, tired of being left behind by his more swifted-footed companions, devised this as a simple solution.

'It was just after nightfall when it came; a horrible, rotten mass of bone and flesh, with a voice that was like a thousand screams braided together. I only survived because I ran - I ran and I've never stopped running, because I know it's after me. Me, and everyone else who was there when the city of Vesta was slaughtered.' -Hans, Former Captain turned nomad

A crossbow bolt crafted from the deepest shadows, which infects those struck with a terrible spiritual corruption.

"Though they walk as men and grow as weeds, they are neither; the angry dead, feeding the green with the rage until they walk again, yellowing bones bound by the twining green."

Prized for the metallic sheen of the foliage, this peculiar plant dwells on the banks of mountain rivers, relying on heavy metals and photoelectric power to spread itself

But, O Fellow Denizens of the Citadel, I ask this - what other kinds of unique elements can you come up with?