Eternia and Etheria
He-Man and the Masters of the Universe and She-Ra: Princess of Power are the great twin sagas of good against evil.
Myths
Class of the Titans and Mythic Warriors retell the Greek myths with young heroes.
New worlds
Dragons: The Nine Realms, Niko and the Sword of Light and Jane and the Dragon are rich fantasy adventures.
The shelf
Open Fantasy and myth.