This is for two weapons... they are the same. But different names.
Name: Dark and Light
Rank: A, A
Material: The material is a thin coating of low-density arrays of loosely vertically-aligned carbon nanotubes (Doesn't reflect light)
Owner: Onyx Tenshi
Decription: They are short swords with a single long hole in the center of each blade. Dark and Light form a bond with their owner, based off the history the trio have been through strengthens the bond and increases the holder ability to use the weapons. Dark and Light must always be used together, one cannot be used without the other.
One who has a bond with these weapons has the ability to summon then to him at any time. Dark and Light have the ability to weaken the chakra of someone they strike, the more chakra the enemy has the more they are able to take at one time.
History/Orgin: Dark and Light have been passed down through the Tenshi clan. Each Tenshi clan member that trains as a ninja must test his or her compatibility with the weapons.