Staff of Rhyn is an enchanted Quarterstaff +4. This staff has a +4 bonus to damage, -4 THAC0 bonus and speed factor of 1. This item appears in Baldur's Gate II: Shadows of Amn and Baldur's Gate II: Enhanced Edition. It can be bought from the Adventurer's Mart, where it's sold by Ribald Barterman.
|“||There was a time when magic was distrusted even more so than now, and the burning of "heretics" was woefully common. Delmarey, a witch from the swamplands near Myth Rynn, faced just such a fate when she was blamed for an unseasonable drought. Taken by surprise and sentenced by a mob, she was put to the torch in the Village Square. With her dying breath she uttered a foul curse, fueling the fire to an unstoppable magnitude. By dawn, the entire village was reduced to black coal, save the burnt remnant of the pole Delmary had been bound to. This staff has been imbued with some remnants of Delmarey's power, making it a highly enchanted weapon..||”|