Complex sentence: She warns him to beware of the Grand Witch, the feared and diabolical leader of all of the world's witches, who each year visits witch councils in every country and is reported to have a machine that prints money from any country.
Split into simpler sentences: She warns him to beware of the Grand Witch, the feared and diabolical leader of all of the world's witches, and each year the Grand High Witch visits witch councils in every country. She is reported to have a machine that prints money from any country.