what players should be most excited about is Battle of the Immortals Qian the Anniversary NPC in Atlantis that will give you four marvelous gifts:

20x Hearts that grants massive amount of experience points
A Salary Card that gives the users Salary points every 10 levels starting at LV20
Feedback Gem Pack that gives out a LV4 gem (Class dependent), Embed Charm, and a LV4 Gem Polisher.
Lord’s Invitation:  Unlocks four experience heavy quests.
 

Will all these gifts prepare you to face the diabolical boss that will invade boi gold Atlantis?  Successfully defend against the horde and you and your friends will yield every warrior a heap of experience reward.