 He captured Minas Ithil, but Isildur escaped by ship to Arnor; meanwhile, Anárion was able to defend Osgiliath.Elendil and the Elven-king Gil-galad formed the Last Alliance of Elves and Men, and together with Isildur and Anárion, they besieged and defeated Mordor.Sauron was overthrown; but the One Ring that Isildur took from him was not destroyed, and thus Sauron continued to exist.