diff --git a/src/aimedb/index.ts b/src/aimedb/index.ts
index 38946af..1e8f531 100644
--- a/src/aimedb/index.ts
+++ b/src/aimedb/index.ts
@@ -36,7 +36,7 @@ export default async function aimedb(socket) {
           // We get sent here if lookup does not return an aimeId
 
           console.log("Aimedb: Mifare register", req.luid);
-          output.write({ type: req.type, status: 1, aimeId: 12345678 });
+          output.write({ type: req.type, status: 1, aimeId: 0x55667788 });
 
           break;
 
diff --git a/src/idz/decoder.ts b/src/idz/decoder.ts
index b9ac043..8db9391 100644
--- a/src/idz/decoder.ts
+++ b/src/idz/decoder.ts
@@ -13,6 +13,15 @@ function readHeader(buf: Buffer) {
   };
 }
 
+readers.set(MSG.ACCOUNT_LOCK_REQ, buf => {
+  return {
+    type: "account_lock_req",
+    aimeId: buf.readInt32LE(0x0004),
+    pcbId: buf.slice(0x0008, buf.indexOf("\0", 0x0008)).toString("ascii"),
+    field_0018: buf.readInt16LE(0x0018),
+  };
+});
+
 readers.set(MSG.GET_CONFIG_DATA_REQ, () => {
   return { type: "get_config_data_req" };
 });
@@ -68,9 +77,8 @@ export class Decoder extends Transform {
 
     const msgCode = this.state.readUInt16LE(0x30);
     const msgLen = MSG_LEN.get(msgCode);
-    const reader = readers.get(msgCode);
 
-    if (msgLen === undefined || reader === undefined) {
+    if (msgLen === undefined) {
       return callback(
         new Error(
           `Unknown command code ${msgCode.toString(16)}, cannot continue`
@@ -82,12 +90,23 @@ export class Decoder extends Transform {
       return callback(null);
     }
 
-    const reqBuf = this.state.slice(0x30, 0x30 + msgLen);
-    const payload = reader(reqBuf);
+    const reqBuf = this.state.slice(0, 0x30 + msgLen);
+    const payloadBuf = reqBuf.slice(0x30);
 
-    console.log("Idz: RAW:", reqBuf.toString("hex"));
-    console.log("Idz: Header:", header);
-    console.log("Idz: Payload:", payload);
+    console.log("Idz: Req: Raw:", reqBuf.toString("hex"));
+    console.log("Idz: Req: Header:", header);
+
+    const reader = readers.get(msgCode);
+
+    if (reader === undefined) {
+      return callback(
+        new Error(`No reader for command code ${msgCode.toString(16)}`)
+      );
+    }
+
+    const payload = reader(payloadBuf);
+
+    console.log("Idz: Req: Payload:", payload);
 
     return callback(null, payload);
   }
diff --git a/src/idz/defs.ts b/src/idz/defs.ts
index 0bea8a9..9dc1226 100644
--- a/src/idz/defs.ts
+++ b/src/idz/defs.ts
@@ -3,8 +3,9 @@ export const MSG = {
   GET_CONFIG_DATA_RES: 0x0005,
   GET_SERVER_LIST_REQ: 0x0006,
   GET_SERVER_LIST_RES: 0x0007,
-  ACT_LOCK_REQ: 0x0069,
-  ACT_LOCK_RES: 0x006a,
+  ACCOUNT_LOCK_REQ: 0x0069,
+  ACCOUNT_LOCK_RES: 0x006a,
+  UPDATE_STORY_CLEAR_NUM: 0x007f,
   GET_CONFIG_DATA_2_REQ: 0x00ab,
   GET_CONFIG_DATA_2_RES: 0x00ac,
 };
@@ -13,5 +14,6 @@ export const MSG_LEN = new Map();
 
 MSG_LEN.set(MSG.GET_CONFIG_DATA_REQ, 0x0050);
 MSG_LEN.set(MSG.GET_CONFIG_DATA_2_REQ, 0x0010);
-MSG_LEN.set(MSG.ACT_LOCK_REQ, 0x001c);
+MSG_LEN.set(MSG.ACCOUNT_LOCK_REQ, 0x0020);
+MSG_LEN.set(MSG.UPDATE_STORY_CLEAR_NUM, 0x0020);
 MSG_LEN.set(MSG.GET_SERVER_LIST_REQ, 0x0020);
diff --git a/src/idz/encoder.ts b/src/idz/encoder.ts
index b949ad2..c735b3f 100644
--- a/src/idz/encoder.ts
+++ b/src/idz/encoder.ts
@@ -12,11 +12,20 @@ export class Encoder extends Transform {
   }
 
   _transform(obj: Response, encoding, callback) {
-    console.log("Idz: Response:", obj);
+    console.log("Idz: Res: Object:", obj);
 
     let buf: Buffer;
 
     switch (obj.type) {
+      case "account_lock_res":
+        buf = Buffer.alloc(0x0020);
+        buf.writeUInt16LE(MSG.ACCOUNT_LOCK_RES, 0x0000);
+        buf.writeInt8(obj.field_0018, 0x0018);
+        buf.writeInt16LE(obj.field_001A, 0x001a);
+        buf.writeUInt32LE(obj.field_001C.getTime() / 1000, 0x001c);
+
+        break;
+
       case "get_config_data_res":
         buf = Buffer.alloc(0x01a0);
         buf.writeUInt16LE(MSG.GET_CONFIG_DATA_RES, 0x0000);
@@ -63,6 +72,12 @@ export class Encoder extends Transform {
         return callback(new Error(`No writer fn for ${obj["type"]}`));
     }
 
+    console.log("Idz: Res: Encoded:", buf.toString("hex"));
+
+    if (buf.readInt16LE(0) === 0) {
+      throw new Error("MESSAGE TYPE CODE YOU FUCKING IDIOT");
+    }
+
     return callback(null, buf);
   }
 }
diff --git a/src/idz/index.ts b/src/idz/index.ts
index 5fa49a7..fee4276 100644
--- a/src/idz/index.ts
+++ b/src/idz/index.ts
@@ -1,8 +1,9 @@
+import { Socket } from "net";
 import { hostname } from "os";
 
 import setup from "./setup";
 
-export default async function idz(socket) {
+export default async function idz(socket: Socket) {
   const { input, output } = setup(socket);
 
   console.log("Idz: Connection opened");
@@ -10,6 +11,16 @@ export default async function idz(socket) {
   try {
     for await (const msg of input) {
       switch (msg.type) {
+        case "account_lock_req":
+          output.write({
+            type: "account_lock_res",
+            field_0018: 1,
+            field_001A: -1,
+            field_001C: new Date(Date.now() + 3600000),
+          });
+
+          break;
+
         case "get_server_list_req":
           const myHost = hostname();
 
diff --git a/src/idz/request.ts b/src/idz/request.ts
index 33c57dc..53b7b21 100644
--- a/src/idz/request.ts
+++ b/src/idz/request.ts
@@ -1,8 +1,7 @@
 export interface AccountLockRequest {
   type: "account_lock_req";
-  field_0002: number;
-  field_0004: number;
-  field_0008: Buffer;
+  aimeId: number;
+  pcbId: string;
   field_0018: number;
 }
 
diff --git a/src/idz/response.ts b/src/idz/response.ts
index ec97704..702bf9f 100644
--- a/src/idz/response.ts
+++ b/src/idz/response.ts
@@ -1,3 +1,10 @@
+export interface AccountLockResponse {
+  type: "account_lock_res";
+  field_0018: number;
+  field_001A: number;
+  field_001C: Date;
+}
+
 export interface GetConfigDataResponse {
   type: "get_config_data_res";
   status: number;
@@ -49,6 +56,7 @@ export interface GetServerListResponse {
 }
 
 export type Response =
+  | AccountLockResponse
   | GetConfigDataResponse
   | GetConfigDataResponse2
   | GetServerListResponse;