Increases are a fine combination, and a fixed AC of 17 means that you match Mechanically, the Tortle has a lot going for it. While DnD has had plenty of animal-like races, this may have been the first official turtle-inspired race, and as you might expect their introduction inspired a legion of teenage mutant ninja jokes.
Tortles are a new addition to Dungeons and Dragon’s ever-growing menagerie of humanoid races, appearing for the first time in DnD lore in 5e’s Tortle Package ( affiliate link ), published as part of WotC’s annual Extra Life charity drive in 2017.