Talk:Achievements/@comment-11697205-20131025071152/@comment-173.31.101.35-20131206072554

Before the final push into Heaven in Chapter 3, you have an option to visit Granberria in her room. A mention about a duel between her and Alma Elma happened earlier, and after you visit her in her room, you have the option to go watch the duel. Do so and you'll get the achievement.