Rollback happens when the server crash unexpectedly or shutdown due to
power loss. To avoid the rollback on your character, simply logout and
logback in to save your data. Remember that your character data is not
saved real time,meaning the saving period is about 10-15 minutes
automatic and if you want instant saving just relog.
addition, when an announcement is made for you to logout ingame, please
do so immediately and dont wait for the server to shutdown before you