Splash Line:
NOAH & MIO Are Off To See Battle!
Victory Animation:
The fighters that were involved in the match are splayed across the ground. Noah & Mio take out their flutes and do their duties as Off-Seers for the fallen foes.
Classic Mode:
Opposing Factions, Come Together: Noah & Mio's opponents are those who were formerly enemies before uniting.
Round 1: & Octoling (Both species were former enemies, but as of Splatoon 2: Octo Expansion, this has changed drastically)
Round 2: &
(They debuted as rivals, but eventually became friends)
Round 3: &
(Though debut'ing as bitter enemies, their relationship has upgraded to that of a respected rivalry)
BONUS ROUND: Break the Targets
Round 4: &
(Dark Pit started as a third party who went his own ways, but has a tense, if still rather peaceful, relationship with his lighter counterpart)
Round 5: &
(Semi-based on their conflict in the first Pokemon movie: Mewtwo started as an antagonist, with Pikachu on the opposing side. Mewtwo had a change of heart towards the end of the film, however.)
Round 6: &
(A sort of meta take, but Mario & Sonic have had a bitter rivalry since the 90's which eventually evolved to more of a friendship by the 2000's.)
FINAL BOSS: Rugal Bernstein (Represents the behind-the-scenes instigator of Xenoblade Chronicles 3's plot, Moebius)