Firebell is a unique burger restaurant in Seoul that specializes in spicy burgers. Their menu features a variety of burgers with different levels of spiciness, ranging from mild to extra hot. Each burger is made with a special blend of spices and topped with fiery sauces and jalapenos. If you're a fan of spicy food, Firebell is the perfect place to challenge your taste buds. The restaurant also offers non-spicy options for those who prefer milder flavors.