As he says "I'll blow you away!", Bardock puts his hand forward and charges a blue energy sphere. Then, he shouts "THIS ENDS NOW!" as he draws his arm back, and then he brings his hand forward and fires the attack at the opponent, inflicting a great deal of damage.
Bardock uses this attack in his final attempt to kill Frieza in the movie Dragon Ball Z: Bardock - The Father of Goku, however, the Final Spirit Cannon was easily absorbed by Frieza's Death Ball which destroys Planet Vegeta, killing Bardock, many of Frieza's soldiers, and the entire Saiyan race (apart from Goku, Vegeta, Tarble, Nappa, Raditz, Turles, Broly, and Paragus). In Xenoverse, it becomes a much stronger attack when the user's health is at a critical level.
Appearances in games
The technique appears under the name Riot Javelin (ライオットジャベリン) in Dragon Ball Z: Budokai 3, Dragon Ball Z: Shin Budokai - Another Road, Dragon Ball Z: Burst Limit, Dragon Ball Heroes and Dragon Ball: Xenoverse. It is named Final Spirit Cannon in the Budokai Tenkaichi series, the Raging Blast games, and Dragon Ball Z: Ultimate Tenkaichi where it appears as Bardock's Ultimate Blast. Bardock uses it under the name Spirit Cannon as his super attack in Dragon Ball: Tap Battle, as well as to end the rush which is his ultimate attack in the game. He can also use it in Dragon Ball Z For Kinect and Dragon Ball Z: Battle of Z, where it appears as Bardock's Super Attack in his base form. In his Super Saiyan form, Bardock uses an energy wave version called Rebellion Trigger.
"Changes into an aggressive Ki Blast when your Health is very low."
— Dragon Ball Xenoverse Skill description
In Dragon Ball: Xenoverse, it appears under the name Riot Javelin and is one of Bardock's Super Skills. It can also be obtained by the Future Warrior as a reward in Parallel Quest 55: "Power Berserkers". In the game, it becomes stronger if the users health is very low.
It is Bardock's super attack in Dragon Ball Z: Dokkan Battle in his base and Super Saiyans forms.
"Fires a Ki Blast that is stronger when the character's health is low."
— Dragon Ball Xenoverse 2 Tutorial description
In Dragon Ball Xenoverse 2, Riot Javelin returns as one of Bardock's Super Skills. As part of the Masters Pack DLC, it can also be learned by the Future Warrior (Xenoverse 2) by completing School Quest: "Lesson 2" of Bardock's Training.
- Last Riot Javelin – A more powerful version of the Riot Javelin and is Bardock's ultimate attack in Dragon Ball Z: Burst Limit.
- Rebellion Trigger – The energy wave version used by Bardock in his Super Saiyan form.