Skeletal Dragon

Skeletal Dragon (骨格ドラゴン) is a powerful undead dragon that can resist against first to sixth ranked magic.

Appearance
The Skeletal Dragon is made up from bones and about three meters tall. Composed of countless human bones, it has long neck, wings and four legs.

Abilities
The Skeletal Dragon has a resistance against magic up to the sixth level, a powerful enemy that renders magic caster helpless against it.

Trivia

 * The strongest magic caster in the new world can only use spells up to the sixth level, making everyone think that the Skeletal Dragon has an absolute resistance against magic.