Sonic Adventure/Amy Rose

Stages

 * Twinkle Park
 * Hot Shelter
 * Final Egg

Warrior Feather
Allows Amy to twirl her hammer at high speeds, but don't spin to much, or Amy will get dizzy and be open to attacks. Found after beating 'Hedgehog Hammer'.

Long Hammer
Gives Amy the 'Long Hammer'. Found after beating your previous score in 'Hedgehog Hammer'.