Potion of Luck can be created in a Chemistry Lab. For that you should place in the first slot a Bird Beak, in the second slot a Feather and in the third slot it can be anything but for very strong potion place a Bone. The potion of luck increases your luck for a limited amount of time. For a luck potion that can last about 10 minutes use a Magnificent Potion Bottle.
Bird Beak + Feather
The duration of the Potion of Luck is as follows: