Exuding the allure of mid-18th century Shanghainese era, Opium is the latest brainchild of Werner Kuhn, a renowned German chef based in Malaysia who owns a conglomerates of restaurants and bars at Changkat Bukit Bintang including El Cerdo, The Steakhouse KL and the now defunct Werner's on Changkat which has since paved way for the opening of this oriental-themed restaurant at the same location.…