This REQUIRES you to have EXCEL to use! Also, be careful when trying to generate a party with 0 selections in drop down; it consumes a lot of CPU due to the massive calculations.
There are some issues with generating a party with 0 selections and all skins. Try filling in some hero slots first...
Gallowglass would also be a good (possibly Northern only) mercenary contract - given that was the primary purpose they served throughout history, and were pretty damn popular in Ireland, which is also where they get their name from.
That of course is only relevant if the Gallowglass are not...
Historical artifacts should not be returned to the country of origin because museums would eventually be non-existent and the artifacts are at risk of being lost every time they are moved due to their fragile nature.