What is the time lapse between Ultima I-VIII?
The time lapse is given while the reasons for the lapse follow: The first era begins with the Triad of Evil and the resulting Three Ages of Darkness (A.D.) Time was not kept during this difficult era so these ages are identified only as 1st, 2nd and 3rd A.D. This era ends with the founding of the Codex of Ultimate Wisdom.