diff --git a/src/controllers/api/fusionTreasuresController.ts b/src/controllers/api/fusionTreasuresController.ts
new file mode 100644
index 00000000..250f07e3
--- /dev/null
+++ b/src/controllers/api/fusionTreasuresController.ts
@@ -0,0 +1,36 @@
+import { getJSONfromString } from "@/src/helpers/stringHelpers";
+import { getInventory } from "@/src/services/inventoryService";
+import { getAccountIdForRequest } from "@/src/services/loginService";
+import { RequestHandler } from "express";
+
+export interface IFusionTreasuresRequest {
+    oldTreasureName: string;
+    newTreasureName: string;
+}
+
+// eslint-disable-next-line @typescript-eslint/no-misused-promises
+const fusionTreasuresController: RequestHandler = async (req, res) => {
+    const accountId = await getAccountIdForRequest(req);
+    const inventory = await getInventory(accountId);
+    // {"oldTreasureName":"/Lotus/Types/Items/FusionTreasures/OroFusexG_01","newTreasureName":"/Lotus/Types/Items/FusionTreasures/OroFusexG_05"}
+    const payload = getJSONfromString(String(req.body)) as IFusionTreasuresRequest;
+    const newTreasureName = payload.newTreasureName;
+    const treasureName = newTreasureName.substring(0, newTreasureName.lastIndexOf("_"));
+    const sockets = newTreasureName.substring(newTreasureName.lastIndexOf("_") + 1);
+    console.log("fusionTreasure:" + treasureName + " " + sockets);
+    const fusionTreasureIndex = inventory.FusionTreasures.findIndex(ft =>
+        payload.oldTreasureName.includes(ft.ItemType)
+    );
+    inventory.FusionTreasures[fusionTreasureIndex].Sockets = parseInt(sockets, 16);
+    // todo
+    // remove /Lotus/Types/Items/FusionTreasures/OroFusexOrnamentA
+    // remove /Lotus/Types/Items/FusionTreasures/OroFusexOrnamentB
+    await inventory.save();
+    res.json({
+        InventoryChanges: {
+            FusionTreasures: [inventory.FusionTreasures[fusionTreasureIndex]]
+        }
+    });
+};
+
+export { fusionTreasuresController };
diff --git a/src/routes/api.ts b/src/routes/api.ts
index ff6c7286..c0f5426f 100644
--- a/src/routes/api.ts
+++ b/src/routes/api.ts
@@ -10,6 +10,7 @@ import { dronesController } from "@/src/controllers/api/dronesController";
 import { evolveWeaponController } from "@/src/controllers/api/evolveWeaponController";
 import { findSessionsController } from "@/src/controllers/api/findSessionsController";
 import { focusController } from "@/src/controllers/api/focusController";
+import { fusionTreasuresController } from "@/src/controllers/api/fusionTreasuresController";
 import { genericUpdateController } from "@/src/controllers/api/genericUpdateController";
 import { getAllianceController } from "@/src/controllers/api/getAllianceController";
 import { getCreditsController } from "@/src/controllers/api/getCreditsController";
@@ -107,6 +108,7 @@ apiRouter.post("/createGuild.php", createGuildController);
 apiRouter.post("/evolveWeapon.php", evolveWeaponController);
 apiRouter.post("/findSessions.php", findSessionsController);
 apiRouter.post("/focus.php", focusController);
+apiRouter.post("/fusionTreasures.php", fusionTreasuresController);
 apiRouter.post("/genericUpdate.php", genericUpdateController);
 apiRouter.post("/getAlliance.php", getAllianceController);
 apiRouter.post("/gildWeapon.php", gildWeaponController);