A common tool of necromancers, nether mages, and others who are privvy to the arts of the dead and undead
A simple way to a fate most dreadful.
A wet brown sack… FULL OF MAGGOTS!
Elves use nature as strength and borrow from the trees to keep them living. An elf out of the forest for more than a day begins to die and within 3 days is dead without borrowing the strength of nature.