 However, these gains came at a heavy cost in life, as the grand vizier carried out multiple massacres of soldiers and officers he perceived to be disloyal.Regarded as unjust by many, these purges triggered a major revolt in 1658, led by Abaza Hasan Pasha.Following the suppression of this rebellion, the Köprülü family remained unchallenged politically until their failure to conquer Vienna in 1683.