Chocolate Mousse Crepe Cake

Name: Chocolate Mousse Crepe Cake
Ingredients: 2 cups (250gr) all-purpose flour; ¼ cup (30gr) unsweetened cocoa powder; ¼ cup (50gr) sugar; 1 teaspoon baking powder; ½ teaspoon salt; 3 large eggs, at room temperature; 2 ½ cups (600ml) milk, at room temperature; 1 teaspoon pure vanilla extract; 2 tablespoons vegetable, or canola oil; Pomegranate seeds for garnish, optional; Powdered sugar for dusting, optional; For chocolate mousse:; 2 tablespoons (15gr) unsweetened cocoa powder; ¾ cup (150gr) semi-sweet chocolate chips; 1 cup (240ml) heavy whipping cream