Four Great Dragons

The Four Great Dragons (四大竜) are a group of four Mega-level Dragon Digimon that are derived from the Chinese myth of the Four Dragon Kings who rule over the four seas surrounding China, and manifest as its four great rivers. The Dragon Kings appeared prominently in the Ming dynasty epics and.

It is said that Slayerdramon's form is one that can only be attained by those who complete the training that is called the "Trial of the Four Great Dragons", which can only be challenged by Dragon Digimon.

Although the group has been mentioned in the Japanese card games and the Digimon Dictionary profiles, it has not appeared in any of the franchise serials.