In 1875, Kai Londo joined the famous Mende warrior, Ndawa, in a series of military campaigns against Chief Benya of Small Bo. Later the two had a falling out and Kai lead a successful attack against Ndawa. Londo was then declared to be the supreme ruler of Luawa. As leader he built new roads, fortified towns, and established the new capital at Kailahun.
Death
Kai Londo died of a sudden illness in 1896, soon after a military victory.