After completion of certain quests, you can go to Minas and give him information about them. He will, in turn for the information, give you Kudos and antique lamps that grant 1000xp (antique lamps are acquired after certain amount of kudos has been earned from Minas). Kudos can be used for exp rewards and, in future, will allow you to pass freely between the Digsite and Fossil Island to the north. The list of quests needed to be completed are: