In each division there is a certain amount of quests available. Only when all quests of the current division are completed the chest will be opened.
New quests will be opened in 24 hours after completing the previous one. There are max. 2 quests available at one time.
After completing a devision and entering a new one, the quest book is reseted and new quests are directly available.
A reward of Coins, Gold Bars and Gems is given upon completing the quest.