With origins from Brasil as vale tudo, has spread very quickly worldwide with various modification depending on the market and interest of the audience and media.

Octagon cage was original place where such fights were taking place and becouse of it became famous worldwide, despite of some rule modifications (such as ring) and techniques allowed.
It is competitive event-pitting gladiator against gladiator in hand-to-hand battles of skill, courage, honor and fighting art. From MuayThai to kickboxing, from Brazilian Jiu-Jitsu to wrestling, all styles are encouraged, but in order to consistently win, partitipants must be well versed in every aspect of fighting game.

IT'S ABOUT PUNCHES; KICKS; ELBOWS; KNEES; BIG KNOCK OUTS; TECHNICAL SUBMISSIONS; TAKEDOWNS AND STRATEGY

As a part of indenpendent super star world rankings KINGS OF THE RING, all interesting promoters worldwide could choose among other KING OF THE RING super world title fights also a title fights inside octagon cage under the name OCTAGON CAGE KINGS.