The Hyrule Warriors: Age of Calamity by all means is a prequel to Breath of the Wild. Hyrule Warriors: Age of Calamity‘s narrative takes place a full century before the events that unfolded in The Legend of Zelda: Breath of the Wild.
Description reads:
Introducing Hyrule Warriors: Age of Calamity, a new story set 100 years before The Legend of Zelda: Breath of the Wild. Battle as legendary warriors and experience the emotional events of the Great Calamity first-hand. Launching exclusively on Nintendo Switch, November 20.
Watch the Hyrule Warriors: Age of Calamity Announcement Trailer for the Nintendo Switch in the player below:
Hyrule Warriors: Age of Calamity is slated for release on Nintendo Switch come November 20, 2020