Medusa's Blood can only be used on horses , ponies , and unicorns over the age of 1 year and 6 months. The Golden Apple is dominant over Medusa's Blood. If you give your horse a Golden Apple and then turn it into a Pegasus, it will keep the Golden Apple coat. Although, if your horse already has a Golden Apple coat and you give that horse this item, the coat will either disappear or the wings will not be visible. If the horse has a coat and wings and the wings are removed, the horse will lose its special coat. Here are the bonuses this transformation gives: