Decided to make Spirit ranks for all non-FE fighters, and a select few characters who appear in SSBU without Spirits
Mario - Legend
Luigi - Legend
Peach - Legend
Daisy - Ace
Bowser - Legend
Dr. Mario - Advanced
Rosalina - Ace
Bowser Jr. - Advanced
Koopalings - Ace
Piranha Plant - Novice
Yoshi - Ace
Donkey Kong - Legend
Diddy Kong - Ace
King K. Rool - Legend
Link - Legend
Zelda - Legend (get it)
Sheik - Advanced
Young Link - Ace
Ganondorf - Legend
Toon Link - Legend
Samus - Legend
Zero Suit Samus - Ace
Dark Samus - Advanced
Ridley - Legend
Kirby - Legend
Meta Knight - Ace
King Dedede - Ace
Fox - Legend
Falco - Advanced
Wolf - Ace
Pikachu - Advanced
Jigglypuff - Novice
Pichu - Novice
Mewtwo - Legend
Red - Legend
Squirtle - Novice
Ivysaur - Advanced
Charizard - Ace
Lucario - Ace
Greninja - Advanced
Incineroar - Advanced
Captain Falcon - Novice
Ness - Legend
Lucas - Legend
Ice Climbers - Novice
Mr. Game and Watch - Legend
Pit - Ace
Palutena - Legend
Dark Pit - Advanced
Wario - Legend
Olimar - Ace
Alph - Advanced
R.O.B. - Legend
Villager - Advanced
Isabelle - Novice
Wii Fit Trainer - Novice
Little Mac - Legend
Shulk - Legend
Duck Hunt - Ace
Inkling - Ace
Snake - Legend
Sonic - Legend
Mega Man - Legend
Pac-Man - Legend
Ryu - Legend
Ken - Ace
Cloud - Legend
Bayonetta - Ace
Simon - Legend
Richter - Ace
Joker - Ace
Hero - Legend
Banjo-Kazooie - Ace
Terry - Ace
Steve - Legend
Alex - Advanced
Mii - Legend
Porky - Ace
Vault Boy - Legend
Rabbid - Novice
Sans - Ace
Gil - Advanced
Minecraft Pig - Novice
Mappy - Advanced
Pooka - Novice
Valkyrie - Advanced
Heihachi - Legend
Colour TV Game 15 - Ace (or Pong - Legend, since it's often misinterpreted as Pong)
Ms. Pac-Man - Legend
Marshadow - Ace
New Donk City Band - Advanced
Luigi - Legend
Peach - Legend
Daisy - Ace
Bowser - Legend
Dr. Mario - Advanced
Rosalina - Ace
Bowser Jr. - Advanced
Koopalings - Ace
Piranha Plant - Novice
Yoshi - Ace
Donkey Kong - Legend
Diddy Kong - Ace
King K. Rool - Legend
Link - Legend
Zelda - Legend (get it)
Sheik - Advanced
Young Link - Ace
Ganondorf - Legend
Toon Link - Legend
Samus - Legend
Zero Suit Samus - Ace
Dark Samus - Advanced
Ridley - Legend
Kirby - Legend
Meta Knight - Ace
King Dedede - Ace
Fox - Legend
Falco - Advanced
Wolf - Ace
Pikachu - Advanced
Jigglypuff - Novice
Pichu - Novice
Mewtwo - Legend
Red - Legend
Squirtle - Novice
Ivysaur - Advanced
Charizard - Ace
Lucario - Ace
Greninja - Advanced
Incineroar - Advanced
Captain Falcon - Novice
Ness - Legend
Lucas - Legend
Ice Climbers - Novice
Mr. Game and Watch - Legend
Pit - Ace
Palutena - Legend
Dark Pit - Advanced
Wario - Legend
Olimar - Ace
Alph - Advanced
R.O.B. - Legend
Villager - Advanced
Isabelle - Novice
Wii Fit Trainer - Novice
Little Mac - Legend
Shulk - Legend
Duck Hunt - Ace
Inkling - Ace
Snake - Legend
Sonic - Legend
Mega Man - Legend
Pac-Man - Legend
Ryu - Legend
Ken - Ace
Cloud - Legend
Bayonetta - Ace
Simon - Legend
Richter - Ace
Joker - Ace
Hero - Legend
Banjo-Kazooie - Ace
Terry - Ace
Steve - Legend
Alex - Advanced
Mii - Legend
Porky - Ace
Vault Boy - Legend
Rabbid - Novice
Sans - Ace
Gil - Advanced
Minecraft Pig - Novice
Mappy - Advanced
Pooka - Novice
Valkyrie - Advanced
Heihachi - Legend
Colour TV Game 15 - Ace (or Pong - Legend, since it's often misinterpreted as Pong)
Ms. Pac-Man - Legend
Marshadow - Ace
New Donk City Band - Advanced