User blog comment:IamJakuhoRaikoben/Chapter 442: The Law of Space, Review./@comment-24367018-20150629153121/@comment-5303512-20150629163535

Well, Albareth's emperor is named Spriggan which is from the Cornish legends so the Spriggan 12 can have different names not relating to the Cornish legends.

For Brandish, probably Natsu and Gray are not so good at being aware of other people, so when they were aware of Brandish they knew her power levels were dangerous.