Nexon today announced Tree of Savior will begin Closed Beta 3 in South Korea from 30 July to 9 August. Anyone with a Nexon Korea account via MapleStory 2 or Closers will be allowed in after registering from now till 28 July. The main objectives are to test balancing updates, and also features such as PVP, a “card battle” mode, and also the new PC mouse support. Open Beta is apparently next!