Bat Wing is a monster loot dropped by bats found in the mines, particularly prevalent from levels 31-39 and 81-119 after 7 PM. Adventurers can collect them to craft various items, including the Lightning Rod and the Bat Wing Ring. They also serve as an occasional request item for the "Help Wanted" board outside Pierre's General Store, providing an opportunity for players to earn extra gold and increase their standing with the local villagers.
The item ID for Bat Wing is 767
This ID will work on PC/Mac (Steam), PS4, PS5, XBOX One, and Nintendo Switch.
Spawning items in Stardew Valley is a little unsual and is not done with commands. You will need to utilize what is called a cheat to set your character's or animal name to the item id. To do this you cannot use just the item id, you will need to surround the item id with brackets. Ex. [767]
Spawning Using the Animal MethodTo spawn Bat Wing while using an animal, you will need to head over to Marine's Ranch and purchase an animal. Once you have have an animal chosen, name the animal with the item id with brackets like this [767] and you will receive the Bat Wing item. This method can be done using an existing character and is convenient but will cost some gold every time you want an item.
Spawning Using the Character MethodTo spawn Bat Wing while using a character, you will need to create a new character and name it with the item id with brackets like this [767]. You will then receive the Bat Wing item when you speak to a villager. This method is easy and free but cannot be performed on an existing character and you will be stuck with that name unless its edited.