diff --git a/community-contributions/dungeon_extraction_game/game/config.py b/community-contributions/dungeon_extraction_game/game/config.py
index ae6a70f..945d987 100644
--- a/community-contributions/dungeon_extraction_game/game/config.py
+++ b/community-contributions/dungeon_extraction_game/game/config.py
@@ -8,7 +8,7 @@ from .gameplay import Gameplay_Config
 from .illustrator import draw_dalle_2, draw_dalle_3, draw_gemini, draw_gpt, draw_grok
 from .illustrator import draw_grok_x
 from .interface import Interface_Config
-from .storyteller import narrate
+from .storyteller import narrate, set_description_limit
 
 
 # Environment initialization.
@@ -65,6 +65,7 @@ SCENE_STYLE = 'Photorealistic'
 
 # Set a Storyteller scene descriptions size limit to keep the draw prompt in range.
 STORYTELLER_LIMIT = 730
+set_description_limit(STORYTELLER_LIMIT)  # Need to patch pydantic class model.
 
 # Define the storyteller behaviour. Remember to specify a limited scene length.
 STORYTELLER_PROMPT = f"""
diff --git a/community-contributions/dungeon_extraction_game/game/storyteller/__init__.py b/community-contributions/dungeon_extraction_game/game/storyteller/__init__.py
index 042ceea..92d6739 100644
--- a/community-contributions/dungeon_extraction_game/game/storyteller/__init__.py
+++ b/community-contributions/dungeon_extraction_game/game/storyteller/__init__.py
@@ -1,6 +1,6 @@
 """AI Mastered Dungeon Extraction Game Storyteller package."""
 
-from .storyteller import narrate
+from .storyteller import narrate, set_description_limit
 
 
-__all__ = ['narrate']
+__all__ = ['narrate', 'set_description_limit']
diff --git a/community-contributions/dungeon_extraction_game/game/storyteller/storyteller.py b/community-contributions/dungeon_extraction_game/game/storyteller/storyteller.py
index bc976f2..4cae135 100644
--- a/community-contributions/dungeon_extraction_game/game/storyteller/storyteller.py
+++ b/community-contributions/dungeon_extraction_game/game/storyteller/storyteller.py
@@ -2,11 +2,11 @@
 
 from typing import List
 
+from annotated_types import MaxLen
 from dotenv import load_dotenv
 from openai import OpenAI
 from pydantic import BaseModel, Field
 
-from ..config import STORYTELLER_LIMIT
 from .tools import handle_tool_call, tools
 
 
@@ -30,7 +30,7 @@ class _character_sheet(BaseModel):
 
 class _response_format(BaseModel):
     game_over: bool
-    scene_description: str = Field(..., max_length=STORYTELLER_LIMIT)
+    scene_description: str = Field(..., max_length=700)
     dungeon_deepness: int
     adventure_time: int
     adventurer_status: _character_sheet
@@ -48,6 +48,11 @@ class _response_format(BaseModel):
         return response_view
 
 
+def set_description_limit(limit):  # HBD: We modify the class definition in runtime.
+    """Update "_response_format" class to set a new "scene_description" max length."""
+    _response_format.model_fields['scene_description'].metadata[0] = MaxLen(limit)
+
+
 # Function definition.
 def narrate(message, history, system_message, client=CLIENT, model=MODEL):
     """Chat with the game engine."""