The different organixations in the guilds are:

Blood:this is the secret organixation that rules the kingdom they control the king like a puppet they are the the eaders of the country they wield demons to fight in battle no one knows where they came from that information is sealed in a ancient book in the blood tempel.They are leaded by the blood king he is a ancient inmortal whose power is unmatched by anyone or so he thinks...

The fallen:The fallen are a kingdom that surfaced in the past 20 years they grew so fast cause of the power of alchemy theyre leader is a madman his goal is to conquer the world and make everyone his slave but for now hes paying as a loving and understandable king but hes as evil as the demon king.

The kingdom of Amestris:the kingdom in where th alchemy is at the highest peak home of the greatest army in the world and ruled by the king or fuhrer deamon.This great country has suffered battles in the past years but still remains strong.the country is fastly rebuilding itself but soon engages in war the fallen kingdom for now is just a small war but the fallen is getting stronger thanks to his great army of alchemist the fuhrer is bringing every alchemist and soldier in the battefront so eh can win