Updated my Shantae spirits.
Spirit: Sky
Rank: Ace
Fighter(s): Zero Suit Samus (two piece blue) and Falco (purple)
Stage: Skyloft
Battle Rules: Dangerously high winds are in effect
The enemy will turn giant when the enemy's at high damage (Falco)
Spirit: Bolo
Rank: Novice
Fighter(s): Richter
Stage: Halberd
Battle Rules: The enemy's regular attacks have increased power
Spirit: Rottytops
Rank: Advanced
Fighter(s): Daisy (green), Donkey Kong (green) and Iggy
Stage: Luigi's Mansion
Battle Rules: The enemy's regular attacks heal the enemy (Daisy)
Spirit: Mimic
Rank: Advanced
Fighter(s): King Dedede (green)
Stage: Jungle Japes
Battle Rules: The floor is electrified
Spirit: Squid Baron
Rank: Advanced
Fighter(s): Giant Kirby (red)
Stage: Delphino Island (statue area)
Battle Rules: The enemy can deal damage by dashing into you
Spirit: Giga Mermaid
Rank: Ace
Fighter(s): Giant Palutena (green)
Stage: Wuhu Island (Swordplay Colosseum)
Battle Rules: The enemy's Final Smash Meter charges quickly
Spirit: Harmony
Rank: Legend
Fighter(s): Bayonetta (classic red), Jigglypuff (bow), Zelda (green), Zero Suit Samus (red), Mii Brawler (with Shantae wig and outfit)
Stage: Mario Bros (battlefield)
Battle Rules: Periodic earthquakes will shake the stage
The enemy's physical attacks have increased power