Helium is key in numerous industrial sectors. Production in western Europe is still absent despite criticality of helium as a resource. 45- 8 Energy, implementing multiple geophysical methods in its Fonts- Bouillants exploration license, located in France, intended to couple geophysics with geological and geochemical information to characterize more accurately the subsurface before drilling. The area has been underexplored until license awarding in 2021 and therefore brand-new data acquisition was the only path to uncertainties reduction. A finely tuned acquisition campaign of electric resistivity tomography, reflection seismic, electromagnetic methods, followed by a thorough transverse interpretation phase, enabled 45-8 Energy to step up with a successful shallow drilling campaign. Geophysics was key to implement boreholes which turned out to be discoveries and key to unlock funds to build the first helium production unit in western Europe. Adventure shall continue with upcoming deeper drilling campaign, revealing full potential of the exploration permit by mid- 2024.