In this guide, you will learn how to get Splint Mould while playing Baldur’s Gate 3.
Various moulds scattered throughout Grymforge are necessary to use the Adamantine Forge, which is a device that lets you create powerful armor and weapons.
Splint Mould allows you to craft Adamantine Splint Armor.
Where to Find Splint Mould in Baldur’s Gate 3

Go to the Underdark – Ancient Forge waypoint then start heading northeast. Once you keep moving in this direction, you will be able to locate a flight of stairs. Climb them and once you reach the top, you will see dead bodies scattered all over.
You will notice a ledge, overlooking the lava beneath this area. Try to look for the Splint Mould, which will be located between a massive cog and a corpse. You can then collect this piece of Splint Mould and collect the other ones you can find towards the left of this area.
If you are finding it difficult to locate these ingredients, press the Alt tab and it will immediately highlight these items. Additionally, the coordinates of this location are (X -597 Y: 309).
How to Craft Adamantine Splint Armor in BG3

After collecting the Splint Mould, visit the Adamantine Forge to craft the armor. You will need Mithril Ore to do this.
Baldur’s Gate 3 is a role-playing game developed by Larion Studios and released in 2023 for PC, macOS, PlayStation 5, and Xbox Series X|S.