While in his transformed state, Utakata can ooze an extremely alkaline liquid, which burns upon contact. Killer B while in his full Eight-Tails form commented that the substance was strong enough to burn through his skin. In the anime, when he used this technique in his Version 2 form, Utakata's chakra cloak turned blue.
- Fourth Databook, page 325
- Naruto: Shippūden episode 324