The final new "Legends" character class has been added to MapleStory. The Demon Slayer, once a minion of the dark, has turned his attention to making up for all the evil in his past.
The Demon Slayer awakens in the present, breaking through the weakened seal. He finds himself considerably weakened due the Black Wings draining his energy for their own uses. After being rescued by the Resistance, learning about their purpose, and learning that the Black Mage is not dead but is instead sealed away, he decides to join them in hopes of being able to exact his revenge some day.
The Demon Slayer's skills and progression have been fully detailed on the MapleStory site.