chunk: Rinaldo is deposited on a shore where he finds a shield and sword, and the "Mago d'Ascalona" ("Wizard of Ascalon") shows him a vision of the future in the shield, including the glories of the House of Este (Tasso drops in several prophecies of the time between 1099 and his own at various points). Rinaldo resolves to pursue the crusade with all his might (Canto 17).
  Armida is grief-stricken and raises an army to kill Rinaldo and fight the Christians, but her champions are all defeated. She attempts suicide, but Rinaldo finds her in time and prevents her. Rinaldo then begs her to convert to Christianity, and Armida, her heart softened, consents (Canto 20). (This sequence echoes a similar storyline in Ariosto: the witch Alcina ensnares the knight Ruggiero, but the spell is broken by a magic ring that the good sorceress Melissa brings him; earlier antecedents include Calypso's attempt to keep Odysseus on her island Ogygia and Morgan le Fay taking Ogier the Dane off to a faraway island.)