you can keep Pok in with following adjustments:
-req level 46 to enter
-make its citizens to start off KOS to everyone, at like -2000 points
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And then those who really want that as hub - they will have shit load of factioning to do =)
-keep the books that lead to PoK, but remove those that go down to Norath
[You must be logged in to view images. Log in or Register.] (hence ist accessable from anywhere, but cannot be used as a transporatation system anymore)