Was there a lot of demand for Cavalier? I’m having trouble understanding the need for a fighter who can’t… half of his abilities indoors or in a dungeon. Seems like it would only work in very specific overworld-only campaigns.
— Matthew Wilmsmeyer (@Awmuth) June 8, 2017
Nearly all of the Cavalier's features work with or without a mount.
— Jeremy Crawford (@JeremyECrawford) June 8, 2017