This is fake, though apparently ball lighting is real.
https://en.wikipedia.org/wiki/Ball_lightning
"The video was created by Andrei Trukhonovets. It was posted to his YouTube page back in May 2019, along with a note stating that the footage featured “CGI.” Trukhonovets also responded to a number of comments and bemoaned the fact that this video was circulating as if it showed a genuine ball of lightning."
https://www.snopes.com/fac.../video-of-a-globular-bolt-real/
https://en.wikipedia.org/wiki/Ball_lightning
"The video was created by Andrei Trukhonovets. It was posted to his YouTube page back in May 2019, along with a note stating that the footage featured “CGI.” Trukhonovets also responded to a number of comments and bemoaned the fact that this video was circulating as if it showed a genuine ball of lightning."
https://www.snopes.com/fac.../video-of-a-globular-bolt-real/