[illustration: a large ship with grappling lines hovering with roaring jet turbines and hot downthrust over innocent child-like castle made of lollies, while on the ground the crew are working feverishly with industrial type lasers to cut it free]
Also known as a treasure chest, magic treasure chest. An unprotected artefact-rich world.
It sometimes happens that a demiurge who has constructed a complete clarketech pervaded magical world becomes disinterested and departs, or transcends. As the defensive barriers go down, the world is be open to the rest of the universe, and its magical inhabitants are defenceless against plunder. Within a few decades or centuries (depending on how long it takes news to reach the nexus) the system is invaded by collectors and get-rich types who pillage the planet of any clarketech that can be carried off.