My fiancé Killed My Clan for His Lover, So I Burned His Kingdom

I'm Stella.Princess of the Avian Clan.On the eve of my betrothal to Cullen, the prince of the Shifter, my entire clan was massacred. and I lost all my powers. It was all because of Cullen's betrayal—he did it for his lover Lina to make a magic wedding gown.With the help of Zach, the elder of the Avian Clan, I have regained my strength and swear to slay every last one of my enemies! Cullen begged desperately, but it was far too late！