"Source: Find seven Runebox Fragments in Cyrodilic Collections Daily Contract Recompense containers and combine them
Default Name: Marsh Gas
Though obviously related to the netches of northeast Tamriel. the swamp jellies of southern Black Marsh also have a disquieting resemblance to aquatic jellyfish. Natural philosophers have no adequate explanation for this."
Has anyone actually got this yet? How do you get it?