Allfire Stone is an important resource for crafting several pieces of arms and armor in Monster Hunter Rise. This gatherable resource was added with the release of the Sunbreak expansion. However, finding it might prove to be a little tricky, so here's a guide on where to look.
Where to find Allfire Stone in MHR Sunbreak
Allfire Stone is found exclusively in the fiery Lava Caverns on Master Rank quests or Expeditions. Just be sure to watch out for Rathalos when farming! One can use this handy map as a reference or simply use the palamute's Sniff it Out! ability to easily track Allfire Stone on your mini-map.
Allfire Stone Usage
|Weapons that use Allfire Stone||Armor that uses Allfire Stone|
|Ceanataur Blade +||Tigrex Mail X|
|Inferno Goat +||Utsushi True Chest (H)|
|Piercing Crab +||Utsushi True Tassets (H)|
|Teostra's Flames +||Utsushi True Chest (V)|
|Carmin Lantern||Utsushi True Tassets (V)|
|Uroktor Vortex +||Outpost HQ Earrings|
|Rathling Phoenix +||Storge Coil|
|Remobra Gloves X|
|Remobra Feet X|
|Rathalos Helm X|
|Channeler's Robe (Spring)|
|Channeler's Obi (Spring)|
|Chrome Metal Coil X|
|Chrome Metal Boots X|
|Damascus Helm X|
|Divine Ire Haori|
|Medium's Robe (Light)|
|Medium's Obi (Light)|
For more Monster Hunter goodies, check out How to get Frocium in Monster Hunter Rise Sunbreak on Pro Game Guides.