Sonic The Hedgehog: Spin Dash, allowing Moondancer to move faster, fit through small spaces, and plow through any enemies in her path.
Bayonetta: Witch Time, Dodging, and Bullet Arts. However, Moondancer would rather spin dash than have a panther form.
Stone Kirby: Moonstone Form. Moondancer can’t be hurt in this form, but she can’t move either. If used in the air, she can also smash through stuff underneath her.
Mega Man X: Wall jump, enhanced speed, strength, and durability, accelerated healing, and Variable Weapon System (copying and charging others’ weapons)
Moon Knight: The fuller the moon, the stronger, faster, and sturdier she becomes. She also wields crescent darts which she can use at any time.
Thanos: Moon Throw. However, Moondancer must use this wisely as it will deny her Moon Knight’s aforementioned power boost from the moon.
Sailor Moon: Moondancer puts on a magical girl outfit and gains all attacks and items listed here:
https://sailormoon.fandom.com/wiki/Usagi_Tsukino*/_Sailor_Moon*(anime)