diff --git a/package.json b/package.json
index bf497c2..586ebc4 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
     "name": "aslobot-matrix",
-    "version": "0.7.2",
+    "version": "0.8.0",
     "description": "",
     "license": "ISC",
     "author": "",
diff --git a/src/config.preset.json b/src/config.preset.json
index dbd7d75..1be2fbf 100644
--- a/src/config.preset.json
+++ b/src/config.preset.json
@@ -1,5 +1,6 @@
 {
     "baseUrl": "https://",
+    "server": "",
     "userId": "@",
     "authPath": "auth.json",
     "storePath": "store.json",
@@ -25,7 +26,14 @@
             "api": {
                 "key": ""
             },
-            "prompt": "Your name is Aslobot. Be concise, try to keep text as short as possible. Be helpful."
+            "personalities": [
+                {
+                    "personality": "You are Aslobot. Be helpful. Be concise, keep text as short as possible.",
+                    "likes": [],
+                    "dislikes": [],
+                    "timeout": 3600000
+                }
+            ]
         }
     }
 }
diff --git a/src/modules/ai/ai.ts b/src/modules/ai/ai.ts
index d5d4d2c..fd4c8df 100644
--- a/src/modules/ai/ai.ts
+++ b/src/modules/ai/ai.ts
@@ -3,9 +3,10 @@ import type { ICallbackStore } from "../types.js";
 import { config } from "../../config.js";
 import { getTextGemini, getImageGemini } from "../../services/ai/ai.js";
 import { alts } from "./alts.js";
-import type { IAdminInstructions, IAIAlt } from "./types.js";
+import type { IAIInstructions } from "./types.js";
 import { getUserById, getUserName } from "../../helpers.js";
 import { prices } from "./prices.js";
+import { state } from "../../store/store.js";
 
 let client: MatrixClient;
 
@@ -34,21 +35,41 @@ const onAI = async (text: string, roomId: string, sender: string) => {
         return;
     }
 
+    let personality = config.app.ai.personalities[state.personality.index];
+    if (
+        Date.now() >
+        state.personality.startTime + (personality?.timeout ?? 0)
+    ) {
+        const randomInt = Math.floor(
+            Math.random() * (config.app.ai.personalities.length + 1),
+        );
+        state.personality = {
+            index: randomInt,
+            startTime: Date.now(),
+        };
+    }
+
+    personality = config.app.ai.personalities[state.personality.index];
+
     let textMod = text.replace("!ai", "").trim().toLowerCase();
     let instructions = {
         prefferedLanguages: ["english", "slovak"],
-        adminText: config.app.ai.prompt,
-        alts: alts.map((alt) => ({
-            keys: alt.keys,
+        users: alts.map((alt) => ({
+            names: alt.keys,
             alt: alt.alt,
-            information: user.information,
+            backstory: alt.id
+                ? getUserById(`${alt.id}:${config.server}`).information
+                : undefined,
         })),
-    } as IAdminInstructions;
+        aiPersonality: personality?.personality ?? "",
+        aiLikes: personality?.likes ?? "",
+        aiDislikes: personality?.dislikes ?? "",
+    } as IAIInstructions;
 
     const username = getUserName(user);
-    textMod = `Admin Instructions:\n${JSON.stringify(instructions)}\nPrompt by ${username}:\n${textMod}`;
+    textMod = `${username}:\n${textMod}`;
 
-    const responseAI = await getTextGemini(textMod);
+    const responseAI = await getTextGemini(instructions, textMod);
 
     user.aiCost += responseAI.tokens * prices.text;
 
diff --git a/src/modules/ai/alts.ts b/src/modules/ai/alts.ts
index f7b8ead..6109e4a 100644
--- a/src/modules/ai/alts.ts
+++ b/src/modules/ai/alts.ts
@@ -2,6 +2,7 @@ import type { IAIAlt } from "./types.js";
 
 const alts: IAIAlt[] = [
     {
+        id: "@coty",
         keys: [
             "satek",
             "sateg",
@@ -22,10 +23,12 @@ const alts: IAIAlt[] = [
         alt: "white cat",
     },
     {
+        id: "@marketing",
         keys: ["gabor", "gaber", "martin", "marting"],
         alt: "hedgehog",
     },
     {
+        id: "@madys",
         keys: [
             "madys",
             "mandak",
@@ -39,10 +42,12 @@ const alts: IAIAlt[] = [
         alt: "beaver",
     },
     {
+        id: "@aslan2142",
         keys: ["janys", "jano", "janeg", "janek", "aslanek", "aslan", "aslo"],
         alt: "lion",
     },
     {
+        id: "@rod",
         keys: ["marek", "mareg", "macek", "maceg", "rod"],
         alt: "purple snake",
     },
@@ -56,7 +61,7 @@ const alts: IAIAlt[] = [
     },
     {
         keys: ["mama", "monika", "monik"],
-        alt: "god's peasant",
+        alt: "god's peasant woman",
     },
     {
         keys: ["puk", "pucik", "pucig"],
diff --git a/src/modules/ai/types.ts b/src/modules/ai/types.ts
index 6fbe64e..c7a64cb 100644
--- a/src/modules/ai/types.ts
+++ b/src/modules/ai/types.ts
@@ -1,13 +1,21 @@
 interface IAIAlt {
+    id?: string;
     keys: string[];
     alt: string;
-    information?: string | undefined;
 }
 
-interface IAdminInstructions {
+interface IAIUser {
+    names: string[];
+    alt: string;
+    backstory?: string | undefined;
+}
+
+interface IAIInstructions {
     prefferedLanguages: string[];
-    adminText: string;
-    alts: IAIAlt[];
+    users: IAIUser[];
+    aiPersonality: string;
+    aiLikes: string;
+    aiDislikes: string;
 }
 
-export { type IAIAlt, type IAdminInstructions };
+export { type IAIAlt, type IAIUser, type IAIInstructions };
diff --git a/src/modules/global.ts b/src/modules/global.ts
index 97e5f94..c73b2eb 100644
--- a/src/modules/global.ts
+++ b/src/modules/global.ts
@@ -61,7 +61,7 @@ const onMissingRole = (
     client.sendHtmlMessage(
         roomId,
         "",
-        `You are missing the required role.<br/>Your current role is <b>${userRole}</b>`,
+        `You don't have a permission to do that!<br/>Your current role is <b>${userRole}</b>`,
     );
 };
 
diff --git a/src/modules/user/user.ts b/src/modules/user/user.ts
index 502891e..a11011c 100644
--- a/src/modules/user/user.ts
+++ b/src/modules/user/user.ts
@@ -98,7 +98,7 @@ const onAILeaderboard = (_text: string, roomId: string) => {
         const cost = user.aiCost;
         const username = getUserName(user);
 
-        return `<li>${username}: cost <b>${cost.toFixed(2)}$</b></li>`;
+        return `<li>${username}: <b>${cost.toFixed(2)}$</b></li>`;
     };
 
     const users = state.users.sort(
diff --git a/src/services/ai/ai.ts b/src/services/ai/ai.ts
index 80961b7..49ba489 100644
--- a/src/services/ai/ai.ts
+++ b/src/services/ai/ai.ts
@@ -1,15 +1,22 @@
 import { GoogleGenAI } from "@google/genai";
 import { config } from "../../config.js";
 import type { AIResponseImage, AIResponseText } from "./types.js";
+import type { IAIInstructions } from "../../modules/ai/types.js";
 
 const googleAI = new GoogleGenAI({
     apiKey: config.app.ai.api.key,
 });
 
-const getTextGemini = async (input: string): Promise<AIResponseText> => {
+const getTextGemini = async (
+    instructions: IAIInstructions,
+    input: string,
+): Promise<AIResponseText> => {
     const response = await googleAI.models.generateContent({
         model: "gemini-3-flash-preview",
         contents: input,
+        config: {
+            systemInstruction: JSON.stringify(instructions),
+        },
     });
 
     return {
diff --git a/src/store/store.ts b/src/store/store.ts
index a892157..1095b2f 100644
--- a/src/store/store.ts
+++ b/src/store/store.ts
@@ -6,6 +6,10 @@ import type { IState } from "./types.js";
 
 let state: IState = {
     users: [],
+    personality: {
+        index: 0,
+        startTime: 0,
+    },
 };
 
 const load = () => {
diff --git a/src/store/types.ts b/src/store/types.ts
index 2af1ecc..9c876c3 100644
--- a/src/store/types.ts
+++ b/src/store/types.ts
@@ -1,5 +1,6 @@
 interface IState {
     users: IUser[];
+    personality: IPersonality;
 }
 
 interface IUser {
@@ -16,4 +17,9 @@ interface IUser {
 
 type TRole = "NONE" | "USER" | "MODERATOR" | "ADMIN";
 
-export { type IState, type IUser, type TRole };
+interface IPersonality {
+    index: number;
+    startTime: number;
+}
+
+export { type IState, type IUser, type TRole, type IPersonality };