Do you have to pay more for immigration with level 4 magic soldiers?

No need. Immigration is a function of a Chinese Odyssey 2. Players can buy the equipment they want at a low price through immigration and then immigrate back. A Chinese Odyssey 2 is a large-scale multiplayer online role-playing game developed and produced by Netease. August, 2002 15 was officially launched, and on September, 5, 2065, it was renamed "Westward Journey 2". According to the query game forum, level 4 magic weapon immigrants have no extra money, but they will have an immigration lock of 180 days, and magic weapons cannot be traded.