Complex sentence: Many accounts hold he never left his fortress again during the wars, though the account given in The Tale of the Children of Hurin is that he takes Hurin to the Haudh-En-Nirnaeth following the Battle of Unnumbered Tears.
Split into simpler sentences: Many accounts hold he never left his fortress again during the wars. Though the account given in The Tale of the Children of Hurin is that he takes Hurin to the Haudh-En-Nirnaeth following the Battle of Unnumbered Tears.