|Anime||Naruto Episode #172|
Umibōzu looked pretty much like a giant water formation with spots that looked like two eyes and a mouth. It was blue in colour.
Umibōzu itself is nothing more than water that has been gathered and held together by chakra, making it virtually indestructible unless it is completely evaporated. Its main attack method is capturing targets in its water body and drowning them, as well as shooting powerful bullets of condensed water at its opponents.
Land of the Sea Arc
Naruto Uzumaki got swallowed by its indestructible water mass and was completely immobilised, until he gained a burst of chakra from the Nine-Tailed Demon Fox and eventually broke free, shattering it into tiny droplets. During a later encounter, after Umibōzu reformed, Naruto resorted to summoning Gamabunta and it was defeated by Naruto throwing an explosive tag attached to a kunai into Gamabunta's oil, completely evaporating it.
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