Valkyries

Valkyrie is a race made exclusively to Seven Deadly Sins Grand Cross Mobile Game in the Ragnarok storyline.

Overview
Valkyries are known to serve the Norse gods of Midgard and guide warriors spirits to the afterlife. Not much is known about them due to their rules of forbidding any info on them according to Megellda and they are rarely seen according to Grimnir.

Appearance
Valkyries have appearance identical to humans with armor with helmet wings on them. Megellda's case as she shown to be short little girl implying some of them might be like her as well.

Physiology
Megellda said she been looking for a warrior with a strong soul for thousands of years implying Valkyries have a long lifespan.