This is Emeraldeyes, a she-cat who has become a Dark Forest apprentice after the loss of her elder brother to an enemy clan. She trains in the Dark Forest to become strong enough to kill her Leader, Deputy and Medicine-cat so she can take control of her clan, Bushclan. Once she takes control she’ll force Bushclan to become an ally to the Dark Forest so she can finally end clans and their ridiculous rules that killed her brother.
Sorry for the background, I ran out of ideas :/