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Halloween 2023: Mirny-13 Lost Hope Event Guide

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It’s time to visit Mirny-13 again, Commanders! For two weeks that include a certain eerie holiday—from October 18 at 04:00 ET | 06:00 PT | 07:00 CT through November 1 at 04:00 ET | 06:00 PT | 07:00 CT—you will be able to explore the former research town and finally unravel the secrets behind the strange phenomena and the nature of Mirium. During the Mirny: Lost Hope event, new dangers await you, including several new types of enemies and not one but three monstrous bosses. And, of course, the rewards for brave explorers will match the increased challenge, topped off by a brand-new Premium Tier VIII tank!

Event Summary

  • Battles take you back to Mirny-13, an abandoned research town. The contamination by Mirium—a substance with unexplained properties—has entered its next stage. This has had a visible effect on the area and the strange and aggressive entities that dwell there.
  • Before the battle starts, you can choose from three difficulty levels: Normal, Hard, or Nightmare.
    • At the beginning of your campaign, you can only choose the Normal difficulty.
    • Winning a battle on Normal will unlock the Hard difficulty.
    • Once you prevail on Hard, the Nightmare difficulty will become available to you.
  • Fight as a team or Platoon of up to five players (Recon Squad) choosing from six specially adapted vehicles. Three of them are available at the start, and you can unlock the rest after completing certain Progression Stages or purchasing special bundles.
  • Combine consumables to empower your vehicle (and those of your allies). Match the gameplay specifics of different tanks and your tactics to increase your chances of survival.
  • Fight a variety of AI-driven armored enemies, each with their own unique behaviors, roles, and attacks.
  • Collect Mirium and deliver it to the special device called Magnus (shown on your minimap) before time runs out.
  • Once Magnus is filled with the required amount of Mirium, you will be teleported to a new Phase. Regardless of the difficulty level, there are four sequential Phases in a battle.
  • The fourth Phase of any Mirny: Lost Hope battle is a boss fight. The Immortal is the ultimate foe on Normal difficulty, and even more formidable enemies with unique abilities and tactics will confront you at the end of Hard and Nightmare difficulty battles.
  • If even a single player makes it to the next Phase, all the destroyed vehicles on the team respawn with 50% of their maximum HP. Survivors’ vehicles start the new Phase with 100% of their maximum HP.
  • At the beginning of each Phase, you will receive a random Anomaly that provides a unique bonus to your vehicle. The effects of Anomalies are not lost if your vehicle gets destroyed. If you make it to Phase 4, you will begin it with four active Anomalies.
  • While advancing through Phases and difficulty levels, you unlock Reels with encrypted information on the latest developments around Mirny-13 and the darkest secrets of this grim place. Decrypt Reels using Keys you obtain playing in the mode.
  • When you decipher a Reel, you also receive various goodies. Decrypting all 15 Reels brings you the ultimate prize: the Obsidian.

Difficulty Levels

When you join the event, you have access to the Normal difficulty level. Complete Phase 4 (the boss fight) on Normal to unlock the Hard difficulty. Once you deal with the boss on Hard, you will be able to set the difficulty level to Nightmare.

Regardless of the difficulty level, every battle consists of four Phases of increasing complexity. The AI-controlled opponents will get tougher and more numerous with each Phase. In Phases 2 and 3 on Normal difficulty and in Phases 1 through 3 on Hard and Nightmare difficulties, the Immortal will chase players.

Phase 4 is a boss fight, and the adversary you face depends on the difficulty level.

  • On Normal, the players’ Recon Squad will face the Immortal;
  • on Hard, the Corrupted M103; and
  • on Nightmare, a [DATA REDACTED] enemy.

The Nightmare difficulty is just as tough as its name implies, so efficient team coordination is essential. Use the special tab in General Chat in the Garage to find trustworthy allies for your Recon Squad!


Mirny-13 has changed a lot since our last visit. Strange powers present there have been disturbed by the latest events, and now there are not one but three monstrous bosses roaming the twisted landscape. Which one of them the players will engage in Phase 4 of the battle depends on the difficulty level.

  • Normal: The Immortal uses powerful HESH shells dealing tremendous damage when they penetrate your tank’s armor.
  • Hard: The Corrupted M103 wields twin guns that reload fast and fire salvos of AP rounds that can even get through heavies’ armor plates.
  • Nightmare: The [DATA REDACTED] is fast and maneuverable, and often uses speed boosts. Its mass, velocity, and [DATA REDACTED] at the front allow it to ram opponents to truly devastating effect.

You will face each boss in an Arena: a small part of the battlefield surrounded by energy walls. Crossing these causes damage to your vehicle and can result in its destruction. In Phase 4, bosses are vulnerable, and you will be able to see weak spots on their armor. Use special ammo you picked up earlier and your vehicle’s special abilities to deal extra damage.

All bosses have an aura which will gradually sap your collected Mirium. Once your Mirium is depleted, the aura will begin to deal direct HP damage.

To beat a boss, your team must destroy it twice. After the first elimination, the monster tank will teleport out of the Arena, regain its strength, and return. If there were destroyed vehicles on the team, they will respawn too, with 50% of their maximum HP.

The Immortal will harass the team in its usual manner in Phases 2 and 3 on Normal difficulty and in Phases 1 through 3 on Hard and Nightmare difficulties. During these Phases, it will be invulnerable. Avoid its laser sight beam!


The Mirium-infused armored opposition is even more diverse than before, with three new types (Trapper, Lost, Corrupted) making their debut. With every incremental Phase and difficulty level, your enemies become more numerous and aggressive.

New Enemies:

1. Trapper

This light, maneuverable wheeled vehicle is somehow able to spawn destruction zones on the ground that deal high damage to player vehicles within them.

On spotting a Trapper, the team must immediately set it as their prime target and try to eliminate it as quickly as possible.

2. Lost

Exposure to Mirium caused these expedition tanks to switch sides. They are lightly armored but have considerable firepower and good mobility.

The Lost are medium-to-high priority targets. There have been reports of them acting in packs of three.

3. Corrupted

The Corrupted are dark counterparts of tanks on the team. As they have only recently succumbed to the influence of Mirium, they exhibit complex behavior in battle. Most importantly, they still can benefit from anomalies.

The Corrupted are extremely dangerous opponents. Good team coordination is required to deal with them

New Bosses:

1. The Immortal

This mechanical horror will chase tankers inside the anomaly and is indestructible most of the time. Now we know that it becomes vulnerable when cornered on the deepest layer of the anomaly. But that doesn‘t make this Mirium-soaked steel beast any less dangerous, or its HESH shells less devastating.

2. Corrupted M103

In this distorted, bloated machine, one can still recognize the Goliath—the modified version of the M103 used during the first expedition into the Mirny-13 area. Even heavy operators should not rely on their tanks’ armor when they face this monster spewing out salvos of AP rounds.


Mirny-13 veterans say that when you enter the anomaly, you share your worst nightmares with it—and that sometimes Mirium will embody these nightmares in metal. This opponent proves that such stories are not delusions.


The minimap is an essential tool for successfully completing your mission on any difficulty level—and not getting distracted by the contorted hellscape around you. Plot your route and plan your actions so that you can deliver the necessary amount of Mirium to Magnus in time!

Event Vehicles

You can participate in sorties into Mirny-13 in any of the six special vehicles able to travel and fight in this hostile environment. The Hornet, the Cerberus, and the Double are available from the start of the event, while the Legio Ferrata, the Malachite, and the Grenadier unlock when you decrypt Reels #1, #4, and #7 respectively. Alternatively, you can get the latter three as bonuses from special bundles in the in-game Store and the Premium Shop.

Phase Teleportation and Anomalies

Destroy armored AI enemies and collect enigmatic matter known as Mirium. It drops for each player individually: you will see only your own bits of Mirium, and no one else can pick them up—as long as your vehicle is operational.

Deliver gathered Mirium to a special Collector called Magnus marked on your minimap before time runs out. Once Magnus is filled with Mirium, your team needs to gather around it within the allotted time, and you will be able to teleport to the next Phase of battle. If you don’t reach Magnus in time to teleport with the rest of your team, your vehicle will automatically be destroyed. But this doesn’t mean that the battle is over—you will respawn in the next Phase, albeit with half your HP and zero Mirium.

With each new Phase, the AI enemies become more dangerous, but the rewards increase: the more Phases you complete, the more credits and Decryption Keys you earn after the battle. Remember that it will be more difficult for you to navigate in each subsequent Phase, so always be on the lookout, and coordinate closely with teammates!

Mirny-13 is an extremely hostile place: lone wolves do not survive. Only together can you make your stand against your opponents, so create Recon Squads and fight as a coordinated group! You should stay close to your teammates even when not playing in a Recon Squad for a better chance of victory.

At the beginning of each Phase, your vehicle will receive a random buff, or Anomaly. It will increase your effectiveness in combat and carry over from Phase to Phase even if your vehicle gets destroyed. In Phase 4, you will be able to benefit from four Anomalies.

There are nine types of Anomalies in the mode, and each vehicle has its own set of possible Anomalies.


To increase the battle efficiency of your vehicle (and sometimes of those of your allies) in Mirny-13, make sure to use the special consumables. Before the battle starts, you can equip three of the nine available for credits. Match the consumables with the abilities of your vehicle and your playstyle!

NOTE: Turbocharger comes for free as a fourth ability for all event vehicles. It accelerates your vehicle for a limited time and increases the damage caused by ramming. This reusable ability has a cooldown and does not take up a slot.

When the Mirny: Lost Hope event ends, any unused special consumables will disappear, with 50% of their credit value compensated.

Mode Economy

All shells and vehicle repairs in the event are free, but XP, Crew XP, and Free XP cannot be earned. For completing each Phase of a battle, you are awarded a fixed amount of credits which depends on the difficulty level.

DIFFICULTY LEVELnormalhardnightmare
PHASE 15,00010,00015,000
PHASE 210,00015,00015,000
PHASE 310,00015,00020,000
PHASE 4 (BOSS FIGHT)20,00020,00050,000

Reels and Event Progression

The Mirny: Lost Hope event has a rich backstory contained on 15 encrypted Reels. You will receive these info packages one by one on completing certain Phases at different difficulty levels or on meeting other battle-related criteria.

To decipher the Reels (and get the additional rewards associated with each) you will need Decryption Keys which can be obtained from several sources.

  • Event battles: The number of Keys depends on the difficulty level, Phases completed, damage dealt, and Mirium delivered to Magnus.

Keys Awarded for Battles

  • Daily event mission: Deliver 100 Mirium to Magnus to receive 1 Key (can be done once per day in every special vehicle; up to 6 times per day in total).
  • Special bundles in the in-game Store and the Premium Shop: Keys come as gifts on top of valuable in-game items.

When the Mirny: Lost Hope event ends, unused Decryption Keys will disappear with no compensation.

You can decrypt Reels in any order after they are unlocked. For each Reel you decrypt, you will receive rewards that include event-inspired decals, Personal Reserves, days of WoT Premium Account, Crew Books, Retraining Orders, Battle Pass Points, credits, bonds, and other prizes. The top reward is the Obsidian: a brand-new Premium Tier VIII medium tank with an imposing exterior.

Reels #12 through #15 can also be unlocked for Decryption Keys (see the exact numbers above).

The Obsidian

Decrypting all 15 Reels will grant you the main reward: VIII Obsidian, serving as a reminder of victory over the final boss of the event to those who managed to beat the Nightmare difficulty level.

Along with a unique exterior, the Obsidian boasts a compact and sturdy turret, an excellent rate of fire, and good gun handling.

3D Styles and More

During the Mirny: Lost Hope event, you can obtain a variety of awe-inspiring and macabre 3D styles in the in-game Store for gold. Three of these Mirny-13-themed 3D styles are brand-new:

“Symbiote” 3D style for X Centurion Action X

A memory appears from somewhere: getting a shell to the turret is like getting hit in the head. What head? You don’t have a head, where are these thoughts from?

Another memory:
“Stansfield, gas mask!” A hit to the turret. Hands shaking.
“We lost half our magnet traps. Impulse is going wild!”
“Cerberus, the Collector is glowing red like it’s about to blow!”
“Keep radio silence!..”

All sounds drown in hellish rumble. You wake up curled up on the floor of the vehicle. You take a breath and fill your lungs with purple smoke that got in through a penetration hole. You feel it dissolving you from the inside. You’re melting, becoming one with the tank. It hurts. More than the pokes from the shells. Bad memory. Sleep is better.

Sleep…sleeping makes you feel that thick, smooth feeling of serenity where there’s no pain. No pain at all.

“Proteus” 3D style for VIII 🇸🇪Tornvagn

The object was brought to the range six months ago. Hermann was forced to sign a whole stack of papers before they let them even look at the wonder vehicle. And there was plenty to look at. Hermann is no rookie, but even he couldn’t figure out how its radio station worked. That’s not to mention the unmanned turret and air-tight seals like on a submarine.

The penetrated armor healed itself and it was a miracle. But the healing got slower with each new shell. He could feel the vehicle fading.

“They’ll kill it”, Hermann thought. “What a pity”.

He put his hand on a control lever, and suddenly everything went dark for him.

When he came to, he was already outside. He didn’t remember how he got out of the tank. The vehicle hummed like a high-voltage transformer. Hermann was a little shaky as if after he’d been electrocuted, and he could taste tar in his mouth for some reason.

“So that’s what it is”, he mumbled.

The hole in the tank’s turret healed in seconds, leaving a polished, mirror-like armor. Matte paint grew over the armor soon after.

“Trapper” 3D style for VIII 🇫🇷Lynx 6×6

“Inside the anomaly, tankers called this vehicle a Trapper. Well, they called it a lot of things, but I’d get in trouble for sharing the other names. Trapper was also the name in the order our platoon received from our commander a couple of days ago. His face said that he wasn’t wild about the objective either, but that weird blonde woman in the lab coat was in the room, so the commander chose his words carefully, no swearing or any of that.

The order said, “capture and deliver for research”. The technicians mounted some things with amplifiers that were supposed to stun the Trapper. They took their time outlining it all on the blackboard, showing how to cover it properly.

Five seconds in range of three jammers. Sounds easy. But that thing can focus three strikes at you in that time.

We couldn’t figure out what exactly those strikes were, there were more important things to do. But if you didn’t have to roll the hell away from that lethal machine, it would look like a meteor shower from a radiant.

And, yeah, we had to hold it for seven seconds.”

Decrypt Reels #1, #5, and #9 to get your hands on the three special decals oozing (not literally) the twilight essence of Mirny-13.

Win on Hard and Nightmare difficulty to earn the badges, and decrypt all 15 Reels to receive the medal!


Mirny-13 has changed further, becoming even more strange and alien, and this is reflected in the music. Listen to the tracks and feel the spirit of this dark and twisted place!

Known Issues

  • Players with low-spec CPUs and graphics cards may experience some stability and performance issues (including FPS drops) when running the mode. To avoid them and to play with maximum comfort, change the graphics settings in your game client in accordance with the capabilities of your CPU and graphics card.
  • Re-logging in to the game during a battle (for example, if internet connection has been lost) may be followed by minor UI and visual effects glitches.
  • While using Minimum or Low graphics presets, clicking on any Halloween 3D style displayed in the Garage may cause the terrain texture to disappear for a moment.
  • Replays are not fully supported for event battles, but they can be recorded. While watching these replays, UI elements may disappear (this is more likely to happen when the fast-forward function is used).

Good luck, Commanders! Play as a team, take on powerful enemies and bosses, uncover the secrets of Mirny-13, and earn the Obsidian and all the other great rewards!

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