In theory I think this should work, but I don't have a good way to test it.
Going down to the International Edition should certainly work. But, in theory, it may also work going down to the US edition. (The only concern would be if the characters knew skills or completed content that was not available in the US.)
In theory I think this should work, but I don't have a good way to test it.
Going down to the International Edition should certainly work. But, in theory, it may also work going down to the US edition. (The only concern would be if the characters knew skills or completed content that was not available in the US.)