Board Thread:Questions and Answers Forum/@comment-71.238.8.33-20140910123558/@comment-4957813-20150930213921

As long as you set the bladedancer to be your active subclass, you will gain experience towards unlocking its abilities. Once your done with that, you can switch back to the gunslinger and finish that one if you want. You aren't locked to any subclass or ability layout. If you want to switch between them, and switch up your abilities, you can.