The Nation Maker: the blade belonged to the founder of Wakanda's capital city. It has struck down over a thousands enemies. 
History
The Nation Maker was a Vibranium spear forged in ancient Wakanda and owned by the founder of Birnin Zana, the capital city of Wakanda. Nation Maker has been used by several Wakandan monarchs to strike down their enemies. This spear is still in the possession of the Wakandan Royal Family.[1]