was an annual kickboxing and mixed martial arts (MMA) event held in Japan by the Fighting and Entertainment Group (FEG).

Its live audience totaled 91,108 people, which is the largest on-record attendance for either organization and the largest attendance in the history of MMA.

events became co-productions between K-1 and FEG's own MMA promotions — first Hero's and later DREAM.

2009 event was co-produced with the Sengoku Raiden Championship (SRC) MMA promotion.

USA was a co-production with Elite Xtreme Combat (EliteXC) and the only pure MMA event of the Dynamite!!