Sword
From Tardis Wiki, the free Doctor Who reference
A sword is a weapon (as Orcini explained to his uniformed squire, Bostock) not unlike a large knife, that was used on many planets for thousands of years. Even when it was superceeded, the sword was still carried ceremonaly as a symbol of honor. (DW: Revelation of the Daleks)
Morgaine's forces, the S'rax, used swords to due battle with. The legendary sword called Excalibur was the sword of King Arthur. (DW: Battlefield)
The Sycorax also used swords to combat each other in their rituals. The Doctor and the Sycorax leader had a sword duel, which the Sycorax lost. (DW: The Christmas Invasion)