Grilled Pound Cake with Drunken Berries and Syllabub

Name: Grilled Pound Cake with Drunken Berries and Syllabub
Ingredients: 1 cup butter, plus more for the pan; 2 cups granulated sugar; 2 teaspoons vanilla extract; 6 eggs; 2 cups all-purpose flour, plus more for the pan; 1 1/2 cups heavy cream; 1/2 cup granulated sugar; 1/4 cup sherry; 1 tablespoon brandy; 1 teaspoon vanilla extract; Zest from half a lemon; 1 cup blueberries; 1 cup raspberries; 1 cup strawberries; 1 1/2 cups red wine; 1/4 cup granulated sugar; 1/4 cup brown sugar; 1/4 cup melted butter; Fresh mint leaves, finely chopped