Ketsuryugan, NarutoData Wiki

The Ketsuryūgan (血龍眼, literally meaning: Blood Dragon Eye), is a dojutsu of the Chinoike Clan that appears selectively among its members. The Ketsuryugan is recognised by uts reddish color, giving a the user of this dojutsu an ominous reputation that is rather known across the Land of Water, characterised as holders of "eyes as red as blood". Since the collapse of technology and humanity, the Chinoike Clan's dojutsu rose to power toppling and replacing Rinnegan as one of the "Three Great Dōjutsu

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