A third class specialization is getting added to the Assassin class for level 55 players and higher. You’ll also need to have completed the Legacy of the Hongmoon Class Awakening quest. You’ll be able to wield phantasmal energy with the new Phantom skill after completing the Way of the Phantom quest.
Additionally, from February 19 through March 25, Blade & Soulmate returns. Taking part in this Valentines event will net you new items and upgrade materials. You can also exchange your soul badges for a limited time.