With every new Genshin Impact update, we get new characters in the game, and to ascend them, we need to farm their ascension materials. One of them is the Lakelight Lily which is an ascension material required to ascend characters like Furina, and it will become available in Genshin Impact 4.2 update to farm.
As per its in-game description, it is "A clear and clean green flower; it is born where Water Veins come together. It has a simple, cool, and elegant fragrance, pungent and refreshing yet gentle." Since Fontaine will be expanding with the new update, you will be able to find Lakelight Lily in the new areas; however, it will be a difficult task to explore a massive region to farm them, and thus, here are their exact locations to save you a lot of time.
Genshin Impact: Lakelight Lily Farming Location
Lakelight Lily is a local specialty of the Fontaine and can be found in the Erinnyes Forest, as per Honey Impact. Since Genshin Impact 4.2 update hasn't released yet, we don't know their exact locations; however, we will update this page once the patch is out on November 8.
You will need a total of 168 Lakelight Lily to ascend Furina to his highest level, and as per the speculations, you can farm around 80 of them in a single run. After that, you will have to wait for them to respawn to grab the next batch.
You can travel fast from one location to another by using Teleport Waypoints and the Statue of Seven to collect them quickly. In addition to this, make sure that your HP is enough to fight enemies, as you might encounter some while exploring.