The power hitherto held by the Aro Confederacy quickly evaporated and Eze Kanu Okoro (king of Arochukwu), went into hiding but was later arrested. Although Aro dominance crumbled in March 1902, many Aros took part in guerilla campaigns against the British in the region such as in Afikpo (1902–1903), Ezza (1905), and other areas where the Aro had a particularly significant presence.
The Aro Confederacy's power declined rapidly, with Eze Kanu Okoro (king of Arochukwu) going into hiding but later being captured. Despite this, many Aros continued to fight against British rule in the region through guerilla warfare, including conflicts in Afikpo (1902–1903), Ezza (1905), and other areas where they had a strong presence.