To complete the **Chateau Infiltration** mission (part of Chapter 3: “All the Time in the World”) in *007 First Light* without being detected, you must utilize the game’s social stealth mechanics and environmental verticality. This mission, set at the Grand Carpathian Hotel, is designed as a sandbox with multiple routes.

## Core Stealth Mechanics & Preparation
Before beginning the infiltration, ensure you are familiar with the following tools:
* **Instinct Mode:** Highlights guards, cameras, and interactable objects (like vents or distraction points). Use this constantly to track guard patrol paths through walls.
* **Q-Lens:** Used to scan for electronic signatures, such as hidden keycards or hackable security panels.
* **Distractions:** You can trigger environmental hazards like sprinklers or fire alarms to pull guards away from their posts.

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## Route 1: The Press Badge (Easiest Social Stealth)
This is the most reliable way to enter the main hall without triggering any suspicion. It allows you to walk past the front security checkpoint legally.

1. **Eavesdrop for Intel:** After parking the car, head to the red balcony on the right side of the courtyard. Use your Q-Lens to listen to a woman on her phone. She will mention stashing a **Press Badge** in the lower ramparts.
2. **Locate the Badge:** Go downstairs toward the water well area. Look for a white plant pot on a small balcony to the left. Interact with it to retrieve the Press Badge.
3. **The Checkpoint:** Walk back up to the main entrance. Approach the security guards and present the badge when prompted. They will let you through, allowing you to enter the Grand Hall undetected.
4. **Tracking the Target:** Once inside, do not run or crouch unnecessarily, as this draws attention. Follow the blond bellhop toward the service elevators.

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## Route 2: The Rooftop & Vents (Ghost Infiltration)
If you prefer a “Ghost” run without using a disguise or badge, follow this high-ground path:

1. **The Side Ledge:** From the parking lot, head to the far left side of the chateau. Look for a series of stone ledges and trellises you can climb.
2. **Disable Cameras:** Use your **Q-Watch** to remotely hack the security camera overlooking the side balcony. If you don’t have the hack upgrade, wait for the camera to rotate away before moving.
3. **The Laundry Vent:** Locate the open vent near the service entrance. Crawling through here leads directly into the laundry room, bypassing the main lobby entirely.
4. **The Security Room:** Once inside the service corridors, head to the **First Floor East Wing**. There is a security room here; if you can sneak inside and interact with the terminal, you can disable all cameras in the chateau for the remainder of the mission.

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## Key Tips for Remaining Undetected
* **Hide Bodies:** If you perform a takedown (e.g., on the guard in the East Wing), always hide the body in a laundry bin or closet. Discovery of a body will immediately fail the “No Detection” objective.
* **Use the Dart Phone:** If a guard is blocking a narrow hallway, use a non-lethal tranquilizer dart from your phone gadget. This counts as a “Clean Infiltration” and does not alert other guards if done from cover.
* **Avoid the Metal Detectors:** If you are carrying a weapon other than your Q-Pistol (which is undetectable), do not walk through the main lobby scanners. Use the service stairs or balconies instead.
* **Listen to NPC Dialogue:** Guards often discuss their patrol shifts or “blind spots” in the security system. Staying near a pair of talking guards for a few seconds can reveal a new “Opportunity” marker on your map.

## TacSim “Clean Infiltration” Challenges
If you are playing the **TacSim (Tactical Simulation)** version of this mission, the requirements are stricter:
* **No Bullets:** You cannot fire your weapon at all. Use only melee takedowns or environmental distractions.
* **No Gadgets:** If you are attempting the “No Gadgets” challenge, you must rely entirely on the Press Badge route, as you won’t be able to hack cameras or use the laser cutter on vents.