@JeremyECrawford Also, does Change Shape work same as polymorph spell, e.g., giving shapechanger a reservoir of extra hit points?
— Keith Ammann (@geeniusatwrok) December 2, 2016
Change Shape says how it affects a creature's statistics. E.g., an oni retains its stats, other than possibly its size. No hp change. #DnD https://t.co/ay6uwJ9Uq2
— Jeremy Crawford (@JeremyECrawford) December 2, 2016