Dragon Ball has shown a majority of techniques with lots of different applications, and most of them are used by the Z-Fighters and adapted by Goku. However, out of the new allies, Vegeta's abilities are mostly always focused on ki blasts and destroying the enemy with raw force. This worked for the longest time, until the Moro Arc gave Vegeta a huge wall to overcome, and one he could only overcome without forcing through it. The idea of Vegeta learning a technique to overcome a weakness and exploit another enemy's weakness as well. The Forced Spirit Fission was Vegeta's answer to Moro's threat to Dragon Ball.