Four Great Dragons

The Four Great Dragons (『四大竜』) are four super-powerful Mega-level dragons working behind the scenes of the Digital World. The group consists of Azulongmon, Megidramon, Goldramon, and Magnadramon. However, not all of them are Holy Dragons. While named and described within the trading card game and Digimon Dictionary profiles, the group has not appeared in any of the anime, manga, or video games.

Azulongmon
Azulongmon is a Holy Dragon Digimon whose names and design are derived from the mythological, known in Japan as "Seiryū" (『せいりゅう』), with "Azure" as a reference to that name. It is the most deified existence among the Four Great Dragons.

 Attacks
 * Sourai (『蒼雷』): Lets intense thunder fall from the sky, with divine fury.
 * Fūshikaden (『風絲華電』)

Megidramon
Megidramon is an Evil Dragon Digimon, one of the Four Great Dragons. His name comes from the word "Megiddo", the place where Christians believe the final battle between good and evil will take place. He is a rare (in fact, unique in every single DW) species whose reason for existing is unknown, but is said to be one of the very incarnations of the Digital Hazard, a power of malice that is sealed away by an unknown "force". However, when that power is awakened, he creates a system meltdown which could destroy the Digital World.

Attacks
 * Megiddo Flame:: Exhales the fires of hell upon its enemy.
 * Hell Howling: Megidramon howls while facing the enemy; the shock of the sound itself is critical to most weaker Digimon.

Goldramon
Goldramon is a Holy Dragon Digimon and is the greatest of the Four Great Dragons. A Holy Ring is attached to his arm. Amon of Destruction is sealed in his left hand, while Umon of Creation is sealed in the right.

Attacks
 * Gold Flame (God Flame): Releases a powerful holy flame.
 * Summon (召喚): Summons Amon and Umon to attack his opponents.
 * Amon of Crimson Flare is a dragon sealed within his left arm. Amon administers destruction.
 * Umon of Blue Thunder is a dragon sealed within his right arm. Umon administers creation.

Magnadramon
Magnadramon is a Holy Dragon Digimon and one of the Four Great Dragons.

Attacks
 * Fire Tornado (Holy Flame): A spiraling flame is shot from the mouth.
 * Dragon Fire (Apocalypse): Calls down energy bolts from the heavens to strike her opponents.
 * Hermit Fog: Sprays forth a mist from her mouth that corrodes anything that it touches.