Decide these up rapidly, as they may vanish following a couple of seconds. If you have them with your inventory, it is possible to then use a Refiner to turn Larval Cores into Nanites. The conversion price is one Larval Main to 50 Nanites, so they're very valuable. Iteration: Cronus https://nmsheaven.com/product/no-mans-sky-nanites-xbox-pc-steam-ps4-ps5/