Ninjago: Dragons Rising - Season 1

Another clash with Rapton leads Sora to believe that the Imperium has completed a dangerous invention from her past. A flashback shows Sora???s youth as a rising star in the tech world until she discovers her invention will be used for evil. In the present, Sora returns home with Lloyd, Arin, and Riyu, but the four get split up. Sora runs into a figure from her past while Arin hides Riyu and Lloyd meets a new Elemental Master.