His conquest of Kisurra would have been a significant escalation of hostilities against Isin's rival Larsa.[35] A haematite cylinder seal[i 30] of his servant and scribe Iliška-uṭul, son of Sîn-ennam, has come to light from this city, suggesting prolonged occupation.[36] The latest attested year-name gives the year he built the city wall of gan-x-Erra-Imittī, perhaps an eponymous new town.