Time Crystal

Eridon is under threat of invasion by the evil Warlord of Etiros. The Eridon council realise they must retrieve a crystal of power to combat the invading forces. Heathcliff must travel through Earth's history to collect five human Eridon halfcastes. They are the only beings attuned to the crystal's power. Together they must find the crystal, and then return to Eridon in time to stop the Warlord.