Steel Release

Steel Release
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Name
Kanji	鋼遁
Rōmaji	Kōton
Literal English	Steel Release
Debut
Appears in	Movie only
Data
Known Wielders
	Akamori Senju; Kage Uchiha; Kaze Daizaemon (Manga only); Kuromi and Mishiro; Kyoko Sakura; Mami Tomoe; Reiha Amekaze; Rinshiki Ōtsutsuki; Sabu Hōzuki; Shichirō Kamiyo; Steel Oogakari (Game only); Tsuji Nakoto;
Jutsu
	Metalization Technique (Manga only); Sage Art: Steel Release: Unlimited Armor (Manga only); Steel Release Chakra Mode; Steel Release: Blessed Blades (Game only); Steel Release: Chains of Kōfuku-ji; Steel Release: Hiding in Steel Technique; Steel Release: Impervious Armour; Steel Release: Iron Dragon’s Roar (Game only); Steel Release: Iron Spiral (Game only); Steel Release: Katana (Game only); Steel Release: Metal Sensing (Manga only); Steel Release: Serpentine Beast of Gojū-no-tō; Steel Release: Steel Encampment Wall; Steel Release: Steel Imprisonment Wave; Steel Release: Steel Transformation Technique (Game only); Steel Spawn;

The Steel Release (鋼遁, Kōton) is an advanced nature kekkei genkai that can be used to make one's body virtually indestructible by turning it into black steel. It is unknown what elements this nature entails.

Known wielders are Goū.