The Into the Darkness Arc is a story arc within the Neo Smash Champion Tourney. It revolves around the Heroes of Legend's attempt to save Miles "Tails" Prower, Meta Knight, Zelda, and Toon Link from Yami Bakura's control.
At the end of this arc, the Heroes of Legend's teamwork collapses, as Sonic goes to hunt down Mecha Sonic and destroy him to save Tails.
- Naruto Uzumaki
- Sonic the Hedgehog
- Zombie Spider-Man
- Sakura Haruno
- Psycho Kirby
- Fabia Sheen
- Ren Krawler
- Zombie Wasp
- Sasuke Uchiha
- Samus Aran
Spectra Phantom (debut)
Yami Bakura (Main Antagonist)
- This is the first arc to focus on the Heroes of Legend.
- This is the first time Dr. Neo Cortex, Ripto, Dr. Wily, and King K. Rool appear without their respective nemesis.
- This arc may mark a turning point for the Heroes of Legend, as the arc is called Into the Darkness rather than Escape from Darkness.
- This is one of the shortest arcs in the history of Super Smash Bros. Crossover.
- This arc marks the official debut of Coredegon, as well as the debut of Wiseman.