- Name: Antlion Ninja Arts: Ephemeral (Kagerō Ninpō: Utakata; English TV "Kagero's Ninja Art: Ephemeral")
- Type: Kinjutsu, Unknown rank, Offensive, Short to mid range (0-10m)
- User: Kagero Fuma
- Debut (Anime): Naruto Episode 138
The user creates four firefly-like chakra wings and fires out a powerful energy blast from them. Kagero claims that this jutsu can be used only once in a lifetime, since it consumes so much chakra that the user is left in a near death state after performing it. Jiraiya uses the Summoning: Toad Mouth Bind to shield himself and Naruto from this attack.