Assassins realm goes back to being some sort of infiltrators-for-hire realm to highest bidders. Its very own root if what I read about their realm history is the truth. They going have a Stronghold only as their capital as far as Geography is concerned.
My thinking was similar to yours. Let the Assassins become the "Assassins" again. However this time with some Imperial laws in place... Those laws being: Infiltrators may attack anyone on the bounty board or any nation they are at war with. This would mean that any contract the nation of Assassins gets will make them adjust relations. It will help to provide a diplomatic security to the assassins making contracts aka public and open.
I am also in favor of realms not being limited on the game mechanics in dealing with infiltrators... with the exception of infiltrators having the option to pay ransom to a realm to have a ban lifted...this will help to allow infiltrators to remain in the colonies and not be forced to leave the Colonies when their actions start to become too limited.
It will basically help to create an economy in the assassination trade.
Lukon realm will divide up Portion city, Wetham city and Lukon city to become 3 smaller realms. That is good for the rest of the realms as we all seem to play second-fiddle to Lukon.
Oritolon realm has Oritolon city, Alebad city and Alowca city. Look like we may see resurrection of Alebad realm and Alowca realm.
Outer Tilog realm may consider divide their cities up as well. Who do not want more votes power in future Emperor or Empress? 
That is the plan. Once all realms agree and details worked out, the realms will want to break up to ensure they have more votes...
Minas Thalion realm has nothing much to offer. There has been relocation request to Oritolon realm but it was rebuffed 
MT has something to offer. They are the smallest realm but their survival alone is testament to what they have to offer. IMO
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