Fucium Ore is a High Rank material found in one of the final environments youll unlock in Monster Hunter Wilds. Youll need it for some crucial upgrades that will allow you to take on some of the most powerful monsters in the game.In this Monster Hunter Wilds guide, well walk you through how to get Fucium Ore and what kinds of items you might want to use it on.Where to mine Fucium Ore in Monster Hunter WildsOnce you unlock the High Rank version of the Ruins of Wyveria which you can do by progressing the post-credits questline in Monster Hunter Wilds youll be able to farm as much Fucium Ore as you want.Load into the Ruins of Wyveria and set a marker on one of the Mining Outcrops theres one just out of the base camp and to the left. Your mount should automatically take you to the ore.Mine the rock and youll have a chance to get Fucium Ore. While its pretty common, its still considered a rare ore, so not every Mining Outcrop is guaranteed to have it. Ride your mount from Mining Outcrop to Mining Outcrop until you eventually find some.If you exhaust all the Mining Outcrops in the Ruins of Wyveria and still need more Fucium Ore, wait for the Mining Outcrops to respawn, load into a new area and come back, or just restart your game. If youre looking for a specific amount of Fucium to build an upgrade (more on that below), try wishlisting the item so the game will tell you when youve gathered enough.What to use Fucium Ore for in Monster Hunter WildsFucium Ore is mostly used for upgrading non-monster weapons and crafting non-monster armor pieces. Some pieces in the decently powerful Ingot armor set, for example, require Fucium Ore. Similarly, you might need Fucium Ore to upgrade the metal or hope versions of certain weapons. Even if you never intend to use these weapons, you may want to build other weapons off of them. Because weapons in Monster Hunter Wilds upgrade based on a tree, you need the previous versions of weapons to upgrade them to their final forms. For example, you need to use Fucium Ore to craft the Metal Bagpipe 3 if you want to eventually craft the Jin Dhaang 1 Hunting Horn. Other weapons have similar upgrade pipelines that require Fucium Ore.Need help navigating the Forbidden Lands? OurMonster Hunter Wildsguides can outline your progress with ourmain story walkthroughandmonster listahead of reachingHigh Rank, help you settle on an armament with ourweapons listandbest weaponsexplainers, and teach you how to uncoverores,bones, and getmonster tails.