Eclipse&Dianaping

Two Legend Teenipings,One is light,one is dark,Eclipseping usally loves her sister,Dianaping,but a sudden change happened..She turned evil! Unlikely..Dianaping didnt change at all.. Shes still kind as the way she was.. ... When Heartsping and her princess freinds came to Eclipsepings casle: Mirror Castle Eclipseping angered.. ... untill Dianaping came to her.. ... what would you tell her about?