Wot and Nott's Race Against Time: Part Two - the Realm of the Black Crystals

An unusually small Christmas card transported Wot and Nott to the magical land of Onisha, where Umahia, the Grand Mystic, told them that Miafra had taken it over. Umahia asked them to help him rid Onisha of the evil dictator, Miafra. Having accepted the challenge, Wot and Nott set off, determined to put an end to the despot’s cruel rule.
Having eaten from the Tree of Knowledge and Wisdom, Wot and Nott sailed across the Sea of Loneliness in a five hundred year old boat, to Onisha proper, where they met a statue hell-bent on destroying them.
Continuing their quest to save the land of Onisha, Wot and Nott must travel further across it. After fighting their way past a Dragonsaur and then battling the dreaded Protectors, they find the Temple of Wan, where an incredibly old man named Ondo-O-Osqualo tells them that all is not well in the Realm of the Black Crystals.