Shrimp Enchiladas with Mole

Name: Shrimp Enchiladas with Mole
Ingredients: 1/4 cup mole sauce (recommended: Dona Maria) or your favorite prepared mole sauce; 2 tablespoons olive oil; 1 small piece Mexican chocolate (about 1/4 of an individual round); 18 medium shrimp, peeled, tail removed; 1 teaspoon kosher salt; 1/2 teaspoon garlic powder; 1/2 teaspoon sweet paprika; 6 small jalapeno peppers; 1 large white onion, peeled and sliced 1/4-inch thick; 6 corn tortillas; 1/2 cup shredded mozzarella; 1 head romaine lettuce, sliced; 1 tomato, sliced 14/-inch thick; 1 cup crumbled Mexican queso fresco; Chili de arbol powder, for garnish; 1 lime, quartered