The drugs required were&colon; henbane, foxgloves, deadly nightshade and monkshood. Its active ingredient is monkshood (Wolfsbane), deadly if ingested. It is commonly known as Chinese aconite, Carmichael's monkshood or Chinese wolfsbane () (). Aconitine is biosynthesized by the monkshood plant via the terpenoid biosynthesis pathway (MEP chloroplast pathway). In cool and damp stream dales grows the rare, highly poisonous common monkshood. Treatment is the drinking of juice of Fuzi/radix aconiti lateralis/daughter root of common monkshood. Northern monkshood is a perennial and reproduces from both seed and small tubers. The English name monkshood refers to the cylindrical helmet, called the galea, distinguishing the flower. Kang Seo-hee is detained while Chi-hyun later kills himself with monkshood poison. The bumblebee, like Bombus (Megabombus) gerstaeckeri, feeds almost entirely on the flowers of monkshood ("Aconitum"). It has also been recorded on monkshood, which is a herbaceous plant. Sage eventually poisons Josef with a pastry with Monkshood inside instead of cinnamon and chocolate. In South Africa they are called monkshood orchids. Kang Seo-hee finally kills Heo Il-joong, using a strong dose of monkshood. He ordained into monkshood following the tradition of a Burmese male.