Demise's Sword

"I've let a mere boy make a fool out of me for the last time. You stand before a demon... or should I say, a weapon without mercy!"

- Demon Lord Ghirahim

The Anti-Master Sword, is the blade wielded by Demise in the finale of Skyward Sword. It is Ghirahim's true form, as the servant of the Demon King, and he has the capability of returning to the blade, Similar to Fi and the Master Sword. It bears an upside-down Triforce on the blade as well.

Story
Throughout Skyward Sword Ghirahim pursues Zelda in attempt to revive Demise from his imprisonment. As Link progresses farther in the game, Ghirahim's appearance begins to gain dark marks in several places. In the final stretch, in order to fully revive Demise, Ghirahim takes on his true form which bears great resemblance to Fi, strongly emphasizing that he is in fact the spirit of a sword. When Demise is fully revived, he summons the sword from Ghirahim, his true form, and Ghirahim is sent into the sword. In the end, when Demise is defeated, the sword dissolves, likely taking Ghirahim with it.

Size, Abilities, and Characteristics
The blade is significantly larger in comparison to the Master Sword. It is capable of sending Link flying backwards in one strike and when lifted in the air during the presence of a severe thunderstorm, it can absorb lighting bolts to charge up and send lighting shocks when stricken with a metal object, as well as beams.

Design
The Anti-Master Sword is almost completely black with a red aura surrounding it. It bears very similar resemblance to the Master Sword in terms of the hilt, but the blade differs greatly in terms of size and shape. The hilt has a red jewel as opposed to the Master Sword's golden one. What makes the sword very similar to the Master Sword is the presence of the Triforce emblem, however, it is upside-down.

Alternate Names
Besides being literally Demise's sword, it is most commonly referred to as the Anti-Master Sword as well the Dark Master Sword.