Ultimate Kaioken (DBG)

The Ultimate Kaioken is technique that is perfected by Mercury during his Ultra Human Training. Like the Kaioken, it multiplies the user's ki for a "heart beat", but by a thousand. If the users body is condition by it causes not harmful back-fire of the body. However, overusing of the technique and slow cause fatigue of the users stamina. If the users body is not condition, it can cause excruciating pain, with paralysis, and death.

Mercury slipped into a 2 week coma after using the ultimate Kaioken on Super Saiyan 5 Tuffle-Lee'sa, due to his body not being well condition.