Dragon Ball has the most iconic attacks and techniques in anime, and Goku's Spirit Bomb is much more than just an attack as ...
Goku's Spirit Bomb is less than effective during multiple key moments. While it's super lethal in most of the Dragon Ball movies, the same can't be said about its usage in the main series.
The Super Ultra Spirit Bomb harnessed energy from all life in the universe, making it Goku’s most powerful attack ever.