“A good writer should be able to write comedic work that made you laugh, and scary stuff that made you scared, and fantasy or science fiction that imbued you with a sense of wonder, and mainstream journalism that gave you clear and concise information in a way that you wanted it.”
Neil Gaiman
Best practice to become a great writer, train by writing different kinds of texts. You’ll never know when you stumble on Your special voice and field. In addition, you’ll be improving your general writing skills.