Sisko is ordered to launch attacks against Cardassia and the Dominion. In his absence, Dax is left in command if the station. Gul Dukat is possessed by a Pah-wraith in an attempt to destroy the Bajoran Wormhole and the Prophets. Dukat manages to destroy one of the Bajoran Orbs, and kills Jadzia in the process, although the Dax symbiont is saved. The Bajoran Wormhole implodes, the Orbs go dark, and Sisko is forced to take time out while the war continues.