When people use architecture to catch the beginning of one permanent resource, its strong power will give construction the potential to be timeless, and this form will also survive and spread as a grammar. The project is located in one geothermal active zone in Iceland. By following the grammar of turf house, the building uses its stone body to hold the boiling spring at the beginning and let water cool during its flow through each room. So that the building will stay permanently to protect its owner and transfer this divine power for pilgrims.