Slayer Blood Groups

Many kinds of colors and slayer used this group of blood, there are new colors, red and black. Perhaps these colors have any meaning for them apart, this example slayer black and used for their action.

Business Groups Blood Slayer

Slayer of the widely used blood groups to be a good area for business for some people, with this special slayer they produce for the group of blood, of the benefits that can not alias a little big.