IIRC in one of the 2nd edition products there is a Rakshasa-spawn, (AKA beastbrood) tiefling NPC (or perhaps it was just a general summary of the race.Does anyone know what I am talking about or what product this was in?
Lost Omens Ancestry Guide! You can look it up on PF2.easytool.us along with anything else in the game.
I've built a ratfolk investigator with this lineage and I'm debating he'd look like. Not sure if he'd be chimera'ed with other animals or just have hands that bend backwards.