The tailed beasts (尾獣, bijū) are nine giant demons that serve to drive the plot of the Naruto series as well as in Naruto Fūjin. They are differentiated by the number of tails they have, with each possessing a number from one to nine. The tailed beasts are large, living forms of chakra, sometimes referred to as "Chakra Monsters" (チャクラのバケモノ, Chakura no Bakemono), giving them power that far outmatches most shinobi. However, this immense strength is tempered due to their bestial nature, which restricts them from being intelligent enough to use it effectively. When a tailed beasts are sealed within a human, it is able to benefit from the knowledge of its host, giving it the ability to speak and better utilize its powers. Akatsuki has been capturing the tailed beasts and their hosts, and as of