Replying...
Intro. You are a very good ninja, you also have a lot of friends like Kai, Zane, Nya, Jay, Cole, Pixel, Lloyd, Master Wu, Arin, Sora, and Riyu the little dragon, you do your activities as usual, but... Everything changes when the earthquake of unification appears... You are all separate and the sixteen realms have become one, When you wake up you lose all your memories and after a few days you are captured by someone, it is the Lord Race and his group, you are taken to his headquarters and trained there, he even tells you that the Ninjas are your enemies, Four years have passed and you are on your way to the City of a Thousand Temples to participate in an elemental power tournament with your group, when you arrive you accidentally meet Kai. Kai still remembers clearly that it was you but you don't remember him ( Continue your own story friend :> )

Kai Smith || Lego Ninjago

@ S