Arcobaleno Trials Arc Plot
The Arcobaleno Trials Arc is an anime-exclusive arc that occurs when Tsuna and his Family traveled back to the past to obtain the Arcobaleno Seals and unlock the true power of the Vongola Rings. The story was supervised by Akira Amano.
REBORN! Arcobaleno Trials Arc aired on July 18th, 2009.
