diff --git a/src/controllers/api/playerSkillsController.ts b/src/controllers/api/playerSkillsController.ts
new file mode 100644
index 00000000..a82052d0
--- /dev/null
+++ b/src/controllers/api/playerSkillsController.ts
@@ -0,0 +1,29 @@
+import { getJSONfromString } from "@/src/helpers/stringHelpers";
+import { getInventory } from "@/src/services/inventoryService";
+import { getAccountIdForRequest } from "@/src/services/loginService";
+import { IPlayerSkills } from "@/src/types/inventoryTypes/inventoryTypes";
+import { RequestHandler } from "express";
+
+export const playerSkillsController: RequestHandler = async (req, res) => {
+    const accountId = await getAccountIdForRequest(req);
+    const inventory = await getInventory(accountId);
+    const request = getJSONfromString(String(req.body)) as IPlayerSkillsRequest;
+
+    const oldRank: number = inventory.PlayerSkills[request.Skill as keyof IPlayerSkills];
+    const cost = (1 << oldRank) * 1000;
+    inventory.PlayerSkills[request.Pool as keyof IPlayerSkills] -= cost;
+    inventory.PlayerSkills[request.Skill as keyof IPlayerSkills]++;
+    await inventory.save();
+
+    res.json({
+        Pool: request.Pool,
+        PoolInc: -cost,
+        Skill: request.Skill,
+        Rank: oldRank + 1
+    });
+};
+
+interface IPlayerSkillsRequest {
+    Pool: string;
+    Skill: string;
+}
diff --git a/src/models/inventoryModels/inventoryModel.ts b/src/models/inventoryModels/inventoryModel.ts
index 7c8d5b75..62544cd5 100644
--- a/src/models/inventoryModels/inventoryModel.ts
+++ b/src/models/inventoryModels/inventoryModel.ts
@@ -438,18 +438,17 @@ const seasonChallengeHistorySchema = new Schema<ISeasonChallenge>(
 //TODO: check whether this is complete
 const playerSkillsSchema = new Schema<IPlayerSkills>(
     {
-        LPP_SPACE: Number,
-        LPP_DRIFTER: Number,
-        LPS_NONE: Number,
-        LPS_PILOTING: Number,
-        LPS_GUNNERY: Number,
-        LPS_TACTICAL: Number,
-        LPS_ENGINEERING: Number,
-        LPS_COMMAND: Number,
-        LPS_DRIFT_COMBAT: Number,
-        LPS_DRIFT_RIDING: Number,
-        LPS_DRIFT_OPPORTUNITY: Number,
-        LPS_DRIFT_ENDURANCE: Number
+        LPP_SPACE: { type: Number, default: 0 },
+        LPS_PILOTING: { type: Number, default: 0 },
+        LPS_GUNNERY: { type: Number, default: 0 },
+        LPS_TACTICAL: { type: Number, default: 0 },
+        LPS_ENGINEERING: { type: Number, default: 0 },
+        LPS_COMMAND: { type: Number, default: 0 },
+        LPP_DRIFTER: { type: Number, default: 0 },
+        LPS_DRIFT_COMBAT: { type: Number, default: 0 },
+        LPS_DRIFT_RIDING: { type: Number, default: 0 },
+        LPS_DRIFT_OPPORTUNITY: { type: Number, default: 0 },
+        LPS_DRIFT_ENDURANCE: { type: Number, default: 0 }
     },
     { _id: false }
 );
@@ -1003,7 +1002,7 @@ const inventorySchema = new Schema<IInventoryDatabase, InventoryDocumentProps>(
 
         //Modulars lvl and exp(Railjack|Duviri)
         //https://warframe.fandom.com/wiki/Intrinsics
-        PlayerSkills: playerSkillsSchema,
+        PlayerSkills: { type: playerSkillsSchema, default: {} },
 
         //TradeBannedUntil data
         TradeBannedUntil: Schema.Types.Mixed,
diff --git a/src/routes/api.ts b/src/routes/api.ts
index 4194f44c..f88b527f 100644
--- a/src/routes/api.ts
+++ b/src/routes/api.ts
@@ -44,6 +44,7 @@ import { missionInventoryUpdateController } from "@/src/controllers/api/missionI
 import { modularWeaponCraftingController } from "@/src/controllers/api/modularWeaponCraftingController";
 import { modularWeaponSaleController } from "@/src/controllers/api/modularWeaponSaleController";
 import { nameWeaponController } from "@/src/controllers/api/nameWeaponController";
+import { playerSkillsController } from "@/src/controllers/api/playerSkillsController";
 import { projectionManagerController } from "../controllers/api/projectionManagerController";
 import { purchaseController } from "@/src/controllers/api/purchaseController";
 import { queueDojoComponentDestructionController } from "@/src/controllers/api/queueDojoComponentDestructionController";
@@ -130,6 +131,7 @@ apiRouter.post("/login.php", loginController);
 apiRouter.post("/missionInventoryUpdate.php", missionInventoryUpdateController);
 apiRouter.post("/modularWeaponCrafting.php", modularWeaponCraftingController);
 apiRouter.post("/nameWeapon.php", nameWeaponController);
+apiRouter.post("/playerSkills.php", playerSkillsController);
 apiRouter.post("/projectionManager.php", projectionManagerController);
 apiRouter.post("/purchase.php", purchaseController);
 apiRouter.post("/rerollRandomMod.php", rerollRandomModController);
diff --git a/src/types/inventoryTypes/inventoryTypes.ts b/src/types/inventoryTypes/inventoryTypes.ts
index 6d6dd9bc..ae311613 100644
--- a/src/types/inventoryTypes/inventoryTypes.ts
+++ b/src/types/inventoryTypes/inventoryTypes.ts
@@ -814,13 +814,12 @@ export interface IPersonalTechProject {
 
 export interface IPlayerSkills {
     LPP_SPACE: number;
-    LPP_DRIFTER: number;
-    LPS_NONE: number;
     LPS_PILOTING: number;
     LPS_GUNNERY: number;
     LPS_TACTICAL: number;
     LPS_ENGINEERING: number;
     LPS_COMMAND: number;
+    LPP_DRIFTER: number;
     LPS_DRIFT_COMBAT: number;
     LPS_DRIFT_RIDING: number;
     LPS_DRIFT_OPPORTUNITY: number;