I'd like the option to be able to send messages to multiple groups at once: for instance, all nobles of my realm as well as all nobles (of any realm) currently in the same region as me.
I'm sure people can come up with plenty of uses for this, but the reason I thought of this is for RPs. Currently if you want to send an RP to people in your region (RPing a battle you just had, for instance, that you want to send to enemies and well as realm mates) as well as everyone in your realm, those who are both members of your realm and in your current region are going to receive the RP twice, which is annoying.
