|“||There's a customer born every minute, and a rube soon after.||”|
Pickpocket him for Ring of Regeneration.
During the first task of the Stronghold Quest Claiming the Sphere you may ask Ribald for help.
Ribald is a former adventurer who decided to retire and open a store for those who still making a living that way. He states that the Adventurer Mart has been in the same location for thirty-three years. He is an acquaintance of Jaheira (it is implied that he once worked with her and the Harpers at least a few times), and owns a small wyvern named Lucy.