You have helped Davian Martikov immensely and in return, he has offered you the chance to become a were raven which you took him up on that offer.  When confronted by a room of shiny objects or confronted with something especially shiny the player must roll a charisma saving throw. 

Shapechanger- You have the ability to change into a Hybrid raven form or a full raven form. 

Hybrid form bite- You have the ability to do a bite attack as part of your attack action. 

Mimicry- You have advantage on deception checks when pretending to be someone else.