Ame-no-Murakumo no Tsurugi, also known as the Sword of the Gathering Clouds of Heaven, is a legendary sword in Japanese mythology. It is said to have been discovered by the storm god Susanoo in the tail of an eight-headed serpent, Yamata no Orochi. This sword is considered one of the three Imperial Regalia of Japan, symbolizing the legitimacy of the emperor. The sword is often associated with the divine right to rule and is linked to the sun goddess Amaterasu, who is a central figure in Shinto beliefs. Ame-no-Murakumo no Tsurugi represents strength and protection, embodying the warrior spirit in Japanese culture.