Forever War: Ddraig and Albion have basically forgotten what the fight was originally about.

Back from the Dead: Issei's consumption of Amrita allows Ddraig to temporarily manifest after 8 minutes have passed in his Diabolos Dragon form.

Heavenly DragonsDragons based from the Arthurian legend of Merlin watching an endless colossal fight between a red and white dragon (who symbolises Wales and England, respectively). Azazel commented that most people know better than to piss one off.

Unstoppable Rage: With enough provocation, a Dragon will enter 'Outrage' mode, becoming significantly more powerful and vicious.

Super-Toughness: Their scales can be very hard to damage without a Dragon Slayer.

Too Powerful to Live: Many Dragons, particularly the Evil ones, were killed off or sealed to stop their rampages.

Our Dragons Are Different: They can be Western with four limbs and a pair of wings, or Eastern with a serpentine body.

Kryptonite Factor: The only things that can kill dragons are dragon-slaying weapons like Issei's Ascalon or the blood and attacks of the fallen angel Samael.

Fafnir requires his contractor to give him something for his help (which, in Asia's case, is often lingerie), and Tiamat's briefly mentioned hatred of Ddraig is later revealed to be the result of Ddraig losing some treasure that he borrowed from her to fight Albion.

Dragon Hoard: Some of them are known to collect treasure.

Dragons Are Divine: Ophis and Great Red are considered Dragon Gods, and the strongest beings in the setting.Death Is Cheap: It's very hard to kill off a Dragon for good, as their souls can persist well past their bodily destruction.Color Motif: They tend to have a color for their scales, aura, and Dragon Gate.The dragon race as a whole ignored the Great War between the Three Factions (though select individuals did pick a side. According to Ddraig, in the past, most dragons just lived freely to their hearts content. Breath Weapon: As expected, many can breath fire.

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