Explanation: The only way to defeat Kalmaar and Wojira was for Nya to follow after Nyad (the only person to ever defeat Wojira). Nyad had sacrificed herself by merging with the sea; this is what is happening to Nya. Spoiler: Nya does return in the next season by draining her powers because she remembers the ninja
I WAS JUST RANTING ABOUT THIS SENE! The only way I was able to discribe Jays pain in this scene to my mom was “You know how somtimes you’re so upset you can’t even cry? This is Jay X 5 in this scene”