Armor in can be crafted from a variety of materials you get, including Fine Gold Thread, one of the rarest items for this purpose. Some of the strongest armor requires Fine Gold Thread as you challenge tougher enemies late into the game. This resource comes from many different sources, but it can be expensive to collect if you don't know where to look.
Similar to Refined Iron Sand in , you have to gain Fine Gold Thread from a boss first before it is unlocked everywhere else. You have to defeat Cyan Loong, a hidden boss in Chapter 3, to gain your first instance of Fine Gold Thread. Once you do this, you'll start to find the material from other locations in the game.
Cyan Loong can be found in a hidden area in Bitter Lake during Chapter 3, but you'll need a special item called the Loong Scales to access their boss fight.
Chapter 2 of Black Myth: Wukong involves collecting six Buddha Eyeballs around Fright Cliff to unlock a secret boss and collect a useful Key Item.
The easiest way to farm Fine Gold Thread is to purchase it for 3,000 Will from Keeper Shrine shops. As you can see, a single Thread is pretty expensive, so it may take time to gather the Will you need from enemies and bosses you defeat on your journey.
Making your way through Chapter 3 normally will only get you one or two Fine Gold Thread from bosses in the main story. This might be enough to craft armor in , but usually only a piece or two of new gear. Some bosses or enemies in Chapter 4 may drop Thread as well, though you'll usually have to rely on chance since drops are randomized.
The most reliable way to get Fine Gold Thread is to find chests in different areas that contain the material. You can also pick up items from the world as you explore that may be lying around the large region maps in each Chapter. From the available areas you can investigate, Fine Gold Thread is most likely to appear in:
The Webbed Hollow in particular has a guaranteed Fine Gold Thread in a chest near The Verdure Bridge
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