On 9 October 1480, Kladas led "stratioti" (Greek mercenary soldiers) from Koroni to attack Ottoman holdings in Mani. Both the Ottomans and the Venetians put a bounty on Kladas' head. This rebellion was joined in December by "stratioti" from Nafplion led by Theodore Bua. An army sent by the Ottoman sultan was defeated between Passavas and Oitylo in February 1481. Later that month, a larger army under Mohammed Bey drove Kladas to Porto Kagio where he was boarded onto a Neapolitan galley abandoning his revolt. A peaceful settlement of the rebellion was negotiated by the Ottoman governor of the Morea and Venetian official Bartolomeo Minio. Meanwhile, Kladas went with a Neapolitan army to Ottoman-controlled Albania to aid an anti-Ottoman revolt there. In 1490, he was captured in battle near Monemvasia and flayed alive 