blade and mark
 The blade and the mark

 

Name: The First Blade
Origin: Supernatural
Type: Long dagger / Short blade
Powers and Abilities: The blade is more of a conceptual weapon capable of killing anything in the verse short of the universal primordial entities, someone with the mark of Cain can also telekinetically pull the blade to them, according to Cain it cannot be destroyed, it's powerless without the mark.
Destructive Capacity: Doesn't focus on raw power, it's conceptual hax, but considering it's source of power is a universal entity it might kill just about anything below that level.
Wielder(s): Cain, Dean
Material or Element: Made from the jaw bone of a donkey
Needed Prerequisite for Use: Only someone with the mark of Cain can use it's power
Notable Attacks/Techniques or Alternate Forms:

Other: