BL is mostly creating a plasma tail pushing the BL from the ground and against the local wind until ithe nucleus evaporates.
Below: Artificial BL in the University of Muchen, the Max Planck Institute..
Below: Even the Big Bang seems to be related to the Ball Lightning, as splitting Giant Black Hole.Book: The Splitting Black Hole Big Bag into Star Clusters and Dual Spiral Galaxies. see: https://www.researchgate.net/publication/377066296_6x9_2023-B-17-nieuw_Splitting-BH-BB-12.