[@KatherinWinter]
	Nvm to the one of a kind thing lol that's just a special Etherios thing, they are simply demons created by [url=http://fairytail.wikia.com/wiki/Zeref_Dragneel]Zeref Dragneel[/url] the dark mage. The mighty [url=http://fairytail.wikia.com/wiki/Etherious]Etherious[/url].