To ascend Neuvillette to level 90 in Genshin Impact, players need to collect 168 Lumitoile, a specialty item found in specific areas of Fontaine. This guide highlights where to find all Lumitoile locations and offers an optimized farming route to streamline the collection process.

Lumitoile Locations:
1. Mount Esus East: There are 17 Lumitoile located on Mount Esus East. Players can navigate the shore to find them.
2. New Fontaine Research Institute: This sub-region contains 36 Lumitoile, with 29 located by the west shore and 7 inside an underwater cave system. Access the cave by heading right from the Millennial Pearl Seahorse Boss area or progressing in the Road to the Singularity side quest.
3. Central Laboratory Ruins: All 5 Lumitoile in the Central Laboratory Ruins are situated in the east-most part of the sub-region, easily accessible from the eastmost Teleport Waypoint.
Optimized Lumitoile Farming Route:

To maximize Lumitoile collection efficiency, follow this route:
- Begin by collecting Lumitoile on the shores of the New Fontaine Research Institute sub-region.
- Head to the Waypoint at the center of the underwater cave in the same area and gather all Lumitoile there.
- Proceed to Mount Esus East and collect both above and underwater Lumitoile, as they are clustered together.
- Finish by gathering the Lumitoile in the Central Laboratory Ruins sub-region.

By following this route, players can efficiently gather Lumitoile for Neuvillette’s ascension in Genshin Impact.




