From Halopedia, the Halo wiki
A herbal synthesizer is Forerunner technology utilized by the Covenant. It is used to provide remedies to a variety of ailments, one of which is overuse of Hookah Tobacco. They are used exclusively by ascetic San'Shyuum clerics.
List of appearances
- Halo: Contact Harvest (First appearance)
- Halo: Contact Harvest, Chapter 9