Hoops (rings) were a mechanic linked to the 
Dragon fruit: by flying through them, you changed the color of your transformation and the wings of the [F] move. Each color unlocked based on your fruit's 
Mastery.
How to get it
You just had to fly through a ring with Dragon. You could find them at 
Skylands (
First Sea), around 
Ice Castle (
Second Sea), and near the back entrance of 
Floating Turtle (
Third Sea).
How It Works
The available Dragon colors depended on your Mastery: - Green: default color - Blue and Red: Mastery 0 - Orange: 100 - Violet/Purple: 200 - Dirt Brown: 300 - Yellow: 400 - White: 500 - Black: 600 - Pink: reserved for admins
Flash Step
Flight
Foods
Friendly PvP
Full Moon
Gears
Gifting
Guns
Health
Heavenly Blood
Heightened Senses
Holiday Gifts
Hoops
Instinct
Inventory
Island Secrets
Last Resort
Lava
Legendary
Levels
Life Leech
Marines
Mutations
Mythical