shapeshift

verb2

1. •
   To change one's shape or form (into another) through often magical means, normally applied only to living beings.

   • For it was by shape-shifting and magic art, as poets tell, that Paris first beguiled Fair Helen. — 1891
2. •
   (figurative) To undergo a noticeable change (in character for example), to metamorphosize.

   • While Chelsea Wolfe has often shapeshifted in terms of how she presents her music, one thing remains constant: her big mood. — 2019