Frost Dragon

Frost Dragon is a species of dragon with affinity for ice-type magic.

Background
These dragons were mentioned by Ninya to be appearing in the Azerlisia Mountains. Two hundred years ago majority of the Frost Dragons took residence Feo Berkana, within the Royal Palace. Olasird'arc Haylilyal was regarded as the king of the Frost Dragons, until Ainz Ooal Gown killed him and forced the remaining Frost Dragons into servitude.

Appearance
They are large dragons that tower over most living beings, They have a reptilian appearance with a large pair of wings and covered in scales that radiate a sky blue like color except for their abdomen region which are white.

Abilities
As the name suggests, this dragon possesses ice abilities, with its breathe capable of freezing its victims.. It would also seem that a Frost Dragon's body parts have magical properties as they can be used as ingredients to create magical items.

Trivia

 * The White Dragon Bone is one of the Lizardmen treasures that was created from the corpse of a Frost Dragon.
 * A variant of this species also existed in YGGDRASIL, more specifically Jotunheim.