Overseer's Villa

Unextractable Structure: This artifact (in structure form) can NOT be extracted from a planet using a Mylarai Build Extractor.
Care should be taken when using this artifact to ensure that you are using it effectively.

[ Planet Structure - Size:1, Research:3, Mining:2 ]
Also boosts the planet's defense by 30%.
(Limit 1 per planet)

— In-game description