This potion is made by using Robux + Giraffe Hoof in the cauldron. This potion doesn’t have any stackable effects.
Consuming the Korblox Potion will remove your left leg & turn it into a small little stick. Korblox is a popular Roblox character that was introduced back in 2013 to the avatar shop.
Even though this potion makes it appear that you only have one leg, you will still be able to walk normally & it won’t make you fall over or lose your balance.
This Potion is spell number #76 in the potions book.