1In a large pitcher, combine 1 cup of grape juice, 1 cup of apple juice, and 1/2 cup of spicy syrup.
Stir the mixture well to ensure that the spicy syrup is fully integrated with the juices.
Add 3 cups of water to the pitcher and stir again to mix thoroughly.
Taste the punch and adjust the sweetness or spiciness to your liking by adding more grape juice or spicy syrup if necessary.
Chill the punch in the refrigerator for at least 1 hour to allow the flavors to meld together.
Before serving, add slices of apple to the pitcher for garnish or to each glass for a decorative touch.
Serve the Spicy Grape Apple Punch over ice and enjoy.