In every town there is an Experience Distributor NPC.
This NPC will allow the player to choose Double Experience for up to 4 hours from a total amount given weekly for the player to use.
Once an amount is selected the player will see an exp icon beside their character's information (top left of the game screen).
Player's can also obtain Double Experience from some special items.
Double Experience Card (Character) - player will see an exp icon beside their character's information (top left of the game screen).
Double Experience Card (Pet) - player will see an exp icon beside their character's information (top left of the game screen).
Player's can also obtain Experience from Daily Sign-in Rewards, Experience Shards, Quests, and Instances.