Act: Target and sink a Membership card in play. Act: Target another player's unaligned Ship. Move that Ship one Sea away from your Ship. Act: Target Faction-aligned crew is considered to have no factional alignment and is considered Unaligned until the end of the turn.
Ysabette rescued Rosamonde from the headsman's axe. As pirates and daughters of l'Empereur, they became a grave threat to the new Montaigne government.