Mortal-tier 5th Oba of Benin (~1280-1295 CE per Egharevba 1968). Initiated the Iya I and Iya II inner moats around Benin City — the foundational phase of what would become, after Ewuare's 15th-century extensions, the largest single archaeological earthwork in human history (over 16,000 km of earth boundaries enclosing 6,500 km², per Patrick Darling's 1984 archaeological survey). Six generations from quartigod Eweka I; mortal-floor.