Achievement Guide

AntMag.NET

Achievement Guide: Annihilation Instinct DLC

Welcome, Comrade, to the definitive Achievement Guide for the Annihilation Instinct DLC! This section is meticulously crafted to help you unlock every single achievement introduced in this thrilling expansion, transforming you into a true master of Facility 3826. Whether you're a seasoned veteran or a new recruit, our comprehensive strategies, detailed locations, and actionable tips will ensure a 100% completion rate.

The Annihilation Instinct DLC introduces a fresh set of challenges, ranging from story progression and collectible hunts to specific combat feats. Unlike the base game, many of these achievements require keen observation, strategic planning, and sometimes, a little bit of brute force. We've broken down each achievement, providing step-by-step instructions, recommended loadouts, and crucial warnings for missable objectives.

General Tips for Achievement Hunting:

Difficulty Settings: Most achievements are NOT difficulty-locked unless explicitly stated. If you're struggling with combat-specific achievements, don't hesitate to switch to "Story Mode" difficulty. This will significantly reduce enemy health and damage, making certain feats much more manageable.
Save Management: For achievements that involve specific combat conditions or potential missables, we highly recommend making manual saves before attempting them. This allows you to reload quickly if you fail, saving valuable time.
Exploration is Key: Many achievements are tied to finding hidden collectibles or interacting with environmental elements. Take your time to explore every nook and cranny of Facility 3826.
Upgrade Your Arsenal: Ensure your weapons and abilities are fully upgraded. The "Swede" melee weapon, in particular, is excellent for stunning enemies, and the "Dominator" is a versatile ranged option. invest in Polymer Shield and Mass Telekinesis for crowd control and defense.

DLC Story Progression Achievements

These achievements are unlocked naturally by progressing through the main storyline of the Annihilation Instinct DLC. They cannot be missed as long as you complete the expansion.

Annihilation Achieved
- Description: Complete the main story of the "Annihilation Instinct" DLC on any difficulty.
- How to Unlock: Simply play through the entire DLC campaign from start to finish. This achievement will pop after the final boss encounter and the concluding cutscene. There are no specific requirements other than seeing the story through.
The Serpent's Coil
- Description: Reach the depths of Facility 3826.
- How to Unlock: This achievement is earned upon entering the primary research sector of Facility 3826, shortly after navigating the initial outdoor areas and gaining access to the main complex. It's a story milestone.
Nona's Gambit
- Description: Witness the full extent of Nona's plan.
- How to Unlock: Unlocked after a pivotal story sequence involving Nona and her objectives, typically around the mid-point of the DLC. Continue following the main quest markers.

Collectible Achievements

These achievements require you to meticulously search Facility 3826 for hidden items. Careful exploration is paramount.

Polymer Perfectionist
- Description: Collect all Polymer Samples in the "Annihilation Instinct" DLC.
- How to Unlock: There are 15 Polymer Samples scattered throughout Facility 3826. These glowing, iridescent blobs are often found off the beaten path, in hidden rooms, or near environmental puzzles.
  - Locations:
    - Outdoor Perimeter (3 Samples):
      - One near the crashed helicopter, behind a large rock formation.
      - One inside a small, dilapidated guard post overlooking the main entrance.
      - One under a broken bridge section, requiring a careful jump.
    - Research Sector Alpha (5 Samples):
      - In the first large laboratory, on a high shelf accessible via a broken ladder.
      - Behind a locked door (requires "Research Sector Keycard A" found in the adjacent office).
      - Inside a ventilation shaft, accessible by breaking a grate.
      - In a flooded basement area, requiring the use of Mass Telekinesis to move debris.
      - On a desk in the main control room, next to a terminal.
    - Bio-Engineering Labs (4 Samples):
      - In a cryogenic chamber, behind a deactivated security laser grid.
      - Hidden within a plant growth chamber, requiring you to activate a specific watering sequence.
      - Underneath a walkway in the main bio-dome, requiring you to drop down.
      - In a secret passage revealed by interacting with a specific wall panel (look for a subtle glow).
    - Nona's Sanctuary (3 Samples):
      - On a pedestal in the main chamber, easily visible.
      - Behind a waterfall illusion in a side room.
      - In a hidden compartment activated by solving a light puzzle (aligning three colored beams).
  - Tip: Listen for a faint, high-pitched hum when you are near a Polymer Sample. Your scanner (T-Scan) will also highlight them if you are close enough.
- Archivist of the Instinct
  - Description: Find all Lost Research Notes in the "Annihilation Instinct" DLC.
  - How to Unlock: There are 10 Lost Research Notes, typically found on desks, terminals, or pinned to bulletin boards. These provide lore and backstory.
    - Locations:
      - Outdoor Perimeter (2 Notes):
        
        On a workbench in the maintenance shed near the initial spawn point.
        
        Inside a wrecked vehicle near the entrance to Facility 3826.
      - Research Sector Alpha (4 Notes):
        
        On a terminal in the security office, detailing early experiments.
        
        Pinned to a corkboard in the staff break room.
        
        On a scientist's desk in the genetics lab, discussing Polymer properties.
        
        Hidden under a loose floorboard in a storage closet (use your scanner to spot the interaction prompt).
      - Bio-Engineering Labs (3 Notes):
        
        On a lab table, describing the flora and fauna of the facility.
        
        Next to a deactivated robot, detailing its malfunction.
        
        In a hidden alcove behind a large plant, discussing Nona's early research.
      - Nona's Sanctuary (1 Note):
        
        On Nona's personal terminal, revealing her true motivations.
    - Tip: These notes often have a subtle glow and can be highlighted by your T-Scan. They are usually placed in areas that encourage exploration.
Combat & Challenge Achievements

These achievements often require specific strategies, loadouts, or a keen understanding of enemy weaknesses. Some may be challenging on higher difficulties.
- Unstoppable Force
  - Description: Defeat all Challenging Encounters in the "Annihilation Instinct" DLC.
  - How to Unlock: There are 3 Challenging Encounters that are optional but provide significant rewards and a tough fight. These are mini-bosses or waves of elite enemies.
    - Challenging Encounter 1: "The Hive Mind"
      - Location: Deep within Research Sector Alpha, in a large, circular chamber marked on your map as "Anomalous Energy Signature."
      - Enemies: A unique, heavily armored Pchela swarm controlled by a central "Hive Node." The node is invulnerable until all surrounding Pchelas are destroyed. Once the Pchelas are gone, the node becomes vulnerable for a short period.
      - Strategy: Prioritize crowd control. Use Mass Telekinesis to group Pchelas, then follow up with area-of-effect weapons like the Dominator's secondary fire or the Fat Man. When the node is vulnerable, unleash high-damage single-target attacks (e.g., Kalash with upgraded damage). Repeat until destroyed.
      - Recommended Loadout: Dominator (with "Polymer Jet" module), Kalash (with "Electro-Magnetic" module), Swede (for quick melee finishers). Abilities: Mass Telekinesis, Polymer Shield.
    - Challenging Encounter 2: "The Bio-Abomination"
      - Location: In a hidden sub-level of the Bio-Engineering Labs, accessible via a vent system that opens after solving a pressure-plate puzzle in the main lab.
      - Enemies: A grotesque, mutated Belyash-like creature with enhanced speed and corrosive attacks. It has weak points on its back (glowing sacs) that are only exposed after it charges.
      - Strategy: Maintain distance. Dodge its charges and immediately target the glowing sacs on its back when exposed. The Electra ability can stun it, providing an opening. Use the Fox or MP for rapid fire on weak points. Be wary of its corrosive spray, which leaves damaging puddles.
      - Recommended Loadout: Fox (with "Polymer Coating" module), MP (with "Shock" module), Zvezdochka (for heavy melee if it gets close). Abilities: Electra, Frostbite.
    - Challenging Encounter 3: "Nona's Sentinels"
      - Location: A large arena-like room just before the final approach to Nona's Sanctuary, triggered upon entering.
      - Enemies: Two highly advanced, agile Volan robots equipped with energy shields and rapid-fire plasma cannons. They coordinate attacks.
      - Strategy: Focus fire on one Volan at a time. Their shields can be temporarily disabled by sustained energy damage (e.g., Electro or Dominator's primary fire). Once shields are down, switch to high-impact weapons like the Fat Man or upgraded Kalash. Use Polymer Jet to slow them down and create openings. Prioritize dodging their plasma bursts.
      - Recommended Loadout: Fat Man (with "Homing Missile" module), Electro (with "Chain Lightning" module), Swede (for emergency stunning). Abilities: Polymer Jet, Polymer Shield.
- Melee Master of Instinct
  - Description: Defeat the final boss of the "Annihilation Instinct" DLC using only melee weapons.
  - How to Unlock: This is a challenging feat! You must defeat the DLC's final boss without firing a single shot from a ranged weapon.
    - Boss: The final boss is a multi-phase encounter. For the purpose of this achievement, only melee damage (Swede, Zvezdochka, Secateur, Pashtet) counts. Abilities are allowed.
    - Strategy:
      1. Preparation: Max out your chosen melee weapon (Swede or Zvezdochka are recommended for their speed/damage respectively). Upgrade their damage, attack speed, and special attack. Invest heavily in health, energy, and Polymer Shield duration.
      2. Phase 1 (Humanoid Form): The boss is agile. Use Polymer Jet to slow it down, allowing you to get in close for combos. Dodge its melee attacks and use the Swede's special attack (charged spin) for burst damage. Polymer Shield is crucial for mitigating damage when you commit to attacks.
      3. Phase 2 (Transformed Form): The boss becomes larger and slower but hits harder. It will summon smaller minions. Focus on the boss. Use Mass Telekinesis to clear minions if they become overwhelming, but prioritize hitting the boss. Look for openings after its heavy attacks. The Zvezdochka's charged attack can be devastating if landed.
      4. General Tips: Stay mobile. Circle strafe. Use dodge invincibility frames. Don't get greedy; land a few hits and retreat. This will likely take several attempts. Consider lowering the difficulty to "Story Mode" if you're struggling, as this achievement is NOT difficulty-locked.
    - Warning: Accidentally firing a ranged weapon will void the achievement for that attempt. Make a manual save before the boss fight!
- Untouched by the Instinct
  - Description: Defeat the final boss of the "Annihilation Instinct" DLC without taking any damage.
  - How to Unlock: This is arguably the most difficult achievement in the DLC. You must defeat the final boss without your health bar decreasing at all.
    - Strategy:
      1. Preparation: This achievement demands mastery of dodging and understanding boss attack patterns. Max out your preferred ranged weapon (Dominator or Kalash) and abilities (Polymer Jet, Polymer Shield, Mass Telekinesis).
      2. Phase 1 (Humanoid Form): Focus on ranged attacks. Keep your distance. Learn the boss's melee combo timings and dodge through them. Use Polymer Jet to slow it down, giving you more time to react and land shots. Polymer Shield can absorb stray projectiles, but direct hits will count as damage. The goal is to avoid ALL damage.
      3. Phase 2 (Transformed Form): The boss's attacks are slower but have larger areas of effect. Its ground slams and projectile barrages are the main threats. Stay far away and continuously fire. Use Mass Telekinesis to push away any summoned minions before they can get close. Prioritize dodging over dealing damage. Patience is key.
      4. General Tips: Play on "Story Mode" difficulty to minimize the boss's health pool and damage output, making the fight shorter and less risky. Practice the fight multiple times to learn every attack pattern. Use manual saves before the fight. If you take even 1 point of damage, reload your save.
    - Warning: This achievement requires extreme precision and patience. It will likely take many attempts.
With this comprehensive guide, you are now equipped to conquer every challenge and unlock every achievement in Atomic Heart: Annihilation Instinct. Good luck, Comrade, and may your instincts guide you to victory!