Twin Princes (双子の王子) is the 138th episode of the Katekyō Hitman Reborn! anime series.
Rasiel is revealed to be one of the Six Funeral Wreaths. Belphegor, Fran, Olgert, and Rasiel release their Box Weapons for battle. Sil's Box Weapon is revealed to be Storm Bats with the ability to fire invisible sonar waves enchanted with storm flames; the storm flames when in contact with something cause an explosion. Bel and Fran are defeated. Olgert sends his Rain Elephant and destroys the castle the Varia invaded. In the remains of the castle, an unharmed Xanxus is seen sitting on his throne and drinking wine.