A talented and skillful political and military leader, Jabłonowski participated in the War with Sweden during The Deluge, then with the Cossacks and Muscovy. He took part in the Chocim campaign of 1673 and participated in the Vienna expedition of 1683. He led the right wing of Polish cavalry forces at the Battle of Vienna. He also stopped the Tatars at Lwów in 1695. In 1692 Jabłonowski built the stronghold and the neighbouring town of Okopy Świętej Trójcy. During the Royal election of 1697, he supported Augustus II, later in opposition to the King.