The Ten-Tails is a powerful creature from the anime and manga series Naruto. It is known as the original tailed beast and is said to be the source of all chakra. The Ten-Tails has a massive, tree-like appearance and possesses immense strength, capable of devastating attacks. In the series, the Ten-Tails is linked to the character Kaguya Otsutsuki, who originally transformed into it. The beast plays a significant role in the storyline, particularly during the Fourth Great Ninja War, where various characters seek to control or defeat it to prevent its destructive power from being unleashed.