Thresher Oil

The old log in the lighthouse indicates that the lamp was fueled with oil from the threshers that live along the coast here.$B$B<Babs wrinkles her nose at the mention of such outdated technology.>$B$BI suppose it's a practical, if inelegant solution. The log says that the oil taken from the youngest murk threshers works the best, and those live right underneath the docks of Theramore.$B$BIf you're up for it, would you help resupply the lighthouse with fuel?