To get new realms to fight at, do the following.
Realm - How to unlock
The Castle Stronghold - Get 125 Purple Crystals.
The Desert Realm - Get 200 Yellow Crystals.
The Dream World - Get 225 White Crystals.
The Forest Realm - Get 175 Green Crystals.
The Foridden Province - Get 15 Orange Crystals.
The Mountain Kingdom - Get 100 Red Crystals.
The Sky Realm - Get 150 Blue Crystals.
