Cannith South is one of the major houses in the Eberron campaign setting, known for its expertise in crafting magical items and constructs. It is part of the Dragonmarked Houses, specifically associated with the Mark of Making, which grants its members unique abilities in creation and invention. The house is headquartered in the city of Sharn, where it plays a significant role in the economy and technological advancements of the region. Cannith South is known for producing powerful warforged and other magical constructs, contributing to the ongoing development of arcane technology in the world of Eberron.