Found across the ocean from Cape Mazklah, beyond the Sicklemoon Straits, Mount Zhayolm is an active twin volcano that rises from the islands of Vozold and Zazalda. Home to the Troll Mercenaries, the Halvung Territory was once recognized by Aht Urhgan as an independent state of the Empire. The constant rain of volcanic ash combined with occasional emissions of sulfuric gas have created a wasteland almost completely devoid of plant and animal life--an inhospitable land that saw very few travelers before the emergence of the Astral Candescence and the ensuing struggle.
Much of the map is blocked off by the Gates of Halvung in (H-8) and (J-7). To open these, you need a Cast Metal Plate (Key Item). This is found at a ??? point that moves around the zone. It seems to pop on the mounds with dead trees and Eruca on them; there are four of these on the map, one in each open area: (K-8), ...
Note: In order to receive the Cast Metal Plate from the random ???, you have to check a "Gate of Halvung" after zoning into Mount Zhayolm before searching for/clicking the ??? or you won't get the Key Item.
If you see a quest that is listed as Yes but is not working properly please report it on GitHub. Make sure to list as many details as possible when describing what is not working. If there happens to already be a report on that quest regarding your problem, just add your experience to that report.
Legend
Yes = Quest is in game and working
Yes but bugged = Quest is in game but not working properly and being worked on or in que to be worked on.