It looks like you're referring to a specific patched version or mod related to Pokémon: Let’s Go, Eevee! — possibly involving “Proms Lab 4011r” or a similar custom patch. While I don’t have direct documentation on that exact patch, here’s a general-style explanatory text based on your keywords:
In a patched or "hard mode" version, you cannot rely solely on your partner Eevee. pokemonletsgoeeveenspromslab4011r patched
Note: Ensure you have your original save backed up before applying the patch. Option 3: Casual/Short (X/Twitter) It looks like you're referring to a specific
patched: This indicates that the file has been modified from its original state. What Does "Patched" Mean in This Context? Launch: Once installed, the game icon will appear
Switch Hackable Serial List - Such Meme, Many Skill's Dumping Ground
is often cited as a top choice for its high HP and support move capability.