The Fūma Shuriken (風魔手裏剣, Fūma Shuriken) is a large, four-bladed shuriken possessing pre-eminent sharpness and lethality. This type of shuriken is considered characteristic to the famous Fūma clan, after whom they were named and who possibly developed them. However, their use is not limited to this clan. Its four blades can be collapsed for easy storage, leading to its nickname Shadow Windmill (影風車, Kage Fūsha).
Although a Fūma Shuriken is normally characterised by curved blades, the blades can be of any shape, such as the straight-edged ones which cannot be folded, used by Mizuki and Obito Uchiha. Even the giant square-shaped ones utilised by Toroi can be considered to be Fūma Shuriken.
As Zabuza Momochi and Obito Uchiha demonstrated, the shuriken can be used in melee combat, by spinning the blade in one's hand to slash and stab the opponent directly. In Sasuke's battle with Itachi, he has shown the ability to rig the four blades to disconnect via pulling a connected wire and have them fire at ninety degrees to one another as a surprise attack, as well as imbuing it with a Chidori to increase its cutting power.
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- Naruto Uzumaki's Wind Release: Rasenshuriken and its variants takes the form of a Fūma Shuriken.
- Obito Uchiha's Mangekyō Sharingan pattern and its derived technique Kamui Shuriken takes the form of a three-pronged Fūma Shuriken.