because house occluda sent their most powerful emissaries to court the favor of hexators giants and the petty fallen paladin family of blackmoor , and because they committed their most elite and powerful war squadrons to assail the upper world elves and their allies , house ssambra was able infiltrate their chambers and assail their walls , after a devastating war lolth finally found favor with the rightful rulers of the underdark and house occluda was defeated .