Fort of the Iron Twins

the Fort of the Iron Twins is a weekly dungeon in Raid Shadow Legends which allows you to retrieve soul stones to awaken your champions.

You're facing the boss of the Iron Twins once a week, with a regular reset. This guide covers drop rates, the schedule, the mechanics of boss, the required stats, and the best strategies for defeating it—even without the rarest champions.

Introduction to Fort des Jumeaux de Fer

the Fort of the Iron Twins is a special dungeon in Raid Shadow Legends, which is different from traditional dungeons. It's available once a week and offers several difficulty levels. The higher you go in the levels, the better the rewards.

This dungeon is the main source of soul stones in the game. These souls are used directly to awaken your champions and boost their stats.

This is an essential step for making rapid progress in Raid Shadow Legends.

Requirements for entering the dungeon

Before getting into the Fort of the Iron Twins, you must meet certain requirements. Here are the steps you need to complete beforehand:

• To have completed a certain amount of progress in the traditional campaign of Raid Shadow Legends
• Have Weekly Highlights to access the dungeon (you can buy bonus keys to get more attempts)
• Have a a strong enough team to withstand the boss's attacks depending on the target level

You only have a limited number of keys each week. Use them at the right time—especially on Sundays—to maximize your rewards.

Fort des Jumeaux de Fer Calendar

the Fort des Jumeaux de Fer Calendar changes daily. The’boss affinity runs every day on a fixed schedule: Force, Magic, Spirit and Void. Here's how the schedule works in practice:

• Monday through Saturday : The dungeon is available with a different affinity each day. Adjust your team based on the day's affinity.
• Sunday in "Nothing" Mode : Rewards have nearly doubled. Now is the best time to use your extra keys and make the most of your supplies.

The rotation of affinities Follows a regular schedule. Check every day to see which affinity is active before entering the dungeon so you can put together the right team.

Drop Rates and Rewards

The awards from the Fort of the Iron Twins increase depending on the level achieved. There are two types of rewards:

• Regular Rewards : coins, gold, and potions available at all levels
• Unique Rewards : soul stones, high-quality souls, available mainly at higher levels

The higher you go in the levels, the more soul stones and unique resources is growing. The Sunday in "Nothing" Mode, the unique rewards are almost doubled: now is the perfect time to use your bonus keys and level up your account quickly.

boss Affinity: How It Works

L'boss affinity changes daily in the Fort of the Iron Twins. Choose the good rapport When facing the boss, everything changes in terms of your damage and your ability to apply debuffs. Here's how the affinity system works in practice:

With the’positive affinity, you'll enjoy:

• +15 % critical hit chance
• +30 % the probability of landing a powerful blow, that is, +30 % damage

With the poor compatibility, you experience:

• -15 % critical hit chance
• +35 % the probability of making a weak move, that is, -30 % damage, plus the fact that you can't apply your debuffs
• -20 % additional damage

Adapt your team to the’active affinity every day before entering the dungeon. This is the easiest step to improve your performance against the Iron Twins.

Mechanics of the Iron Twins' boss

Understanding the mechanics of the boss Iron Twins is an essential step for progressing through this dungeon. The boss has several special behaviors you should be aware of:

• Active Shield : The boss regularly activates a shield that reduces the direct damage it takes. Damage over time (poison, burn) bypasses this mechanic.
• High strength : The boss has very high resistance at higher levels. Without sufficient accuracy, your debuffs are blocked, and you lose a significant portion of your offensive power.
• Changing Affinity : The boss's affinity changes daily, which requires adjusting the team composition every day.
• Traffic Stop : Its health increases very quickly at higher levels. Builds focused on burst damage become less effective as you progress.

These mechanical features of the boss explain why the Poison and Burn Strategies for Max HP are the most reliable. They bypass the active shield and the high resistance of the boss in the Iron Twins.

Iron Twins Stats by Difficulty Level

This table shows the stats for the boss from the Iron Twins depending on the difficulty. There are three key points to remember:

• The Minutes of boss advance very quickly to higher levels. A strategy focused on damage over the course of the rounds remains the most effective way to chip away at your max HP.
• The resistance is high. Without enough precision, your debuffs (poison, defense reduction) won't take effect.
• A focused composition Poison or Burn (Max HP) remains the most reliable solution, as it bypasses the high resistance of the boss.

Recommended Statistics for Your Team

Before getting into the Fort of the Iron Twins, make sure your champions meet these thresholds. These are the basic stats you need to be effective in this dungeon:

• Precision : at least 250 to 350 for lower grades, and 500 to 600+ for higher levels. This is the most important stat for applying your debuffs against the boss's high resistance.
• PV and Defense : Level up your tanks and healers as much as possible to withstand the heavy hits from the boss of the Iron Twins.
• Speed : Having good attack speed on your champions allows you to apply more debuffs before the boss activates its shields.
• Resistance (for your own champions): Useful at higher levels to prevent the boss from inflicting incapacitating debuffs on you.

Strategies for Defeating the Iron Twins

There are two main strategies for overcoming the boss of the Iron Twins : THE solo at the Parangon and the a tanky build centered around the Géomancien. The main objective is the same in both cases: to survive the big hits and apply enough debuffs to chip away at the boss's HP turn after turn.

Solo Strategy with the Champion Parangon

the champion Parangon is the most reliable solution for the boss solo from the Iron Twins. Thanks to his abilities and damage that increases with each turn, he can handle the fight on his own. This strategy frees up spots on your team so you can maximize the dungeon rewards.

Here are the key steps for using the champion Parangon efficiently :

• Put them on master's degrees as a priority, particularly the master's programs in Parangon damage- and survival-oriented
• Aim for a high precision so that its debuffs will still take effect despite the boss's high resistance
• Put it on speed so that it attacks often and deals poison damage regularly
• Adjusts its affinity to match the day's active affinity before each battle

You'll find the complete build, detailed masteries, and step-by-step instructions in the A guide dedicated to the Iron Twins solo run.

Strategy with the Géomancien and a tanky team

the Géomancien is a great alternative if you don't have the Parangon. He's an approachable champion who uses a powerful poison It chips away at the boss's HP turn after turn, and it can take a beating when you build it as a tank.

His top stat is precision : aims for at least 600 precision. Below that, your debuffs are blocked by the high resistance of the boss's Iron Twins. Install it as well in PV and on defense so that it can withstand heavy use over time.

Around the Géomancien, here are the roles needed to build a strong, well-rounded team:

• A healer or reviver to keep the team alive throughout the battle
• A champion who uses a speed reduction on the boss to reduce its speed
• A decurser to remove the debuffs that boss inflicts on your team
• A defense reducer to increase your poison and burn damage

This build provides solid support, allowing you to sustain long battles, even at the higher levels of the Fort of the Iron Twins. Don't forget to adjust your champions' affinities to match the day's active affinity before each attempt.

Unbeatable Teams and Alternative Lineups

Some players use Unbeatable Lineups to automate the Fort of the Iron Twins risk-free. The idea is to use champions that make the team virtually unbeatable for several rounds, giving the poison and max HP burn effects time to take effect.

These strategies require specific champions with strong mastery and high accuracy. They are particularly effective at higher levels, where the boss's HP makes direct damage insufficient.

Why Run the Iron Twins Dungeon?

the Fort of the Iron Twins is the best way to recover soul stones in Raid Shadow Legends. These soul stones and these souls are used directly to awaken your champions and to improve their in-game stats.

In practice, a large portion of the awakenings come from this dungeon, especially when you use the bonus keys available. To round out your stone supplies, also consider the pebbles available for free.

These two sources of stones work together to help you level up quickly in Raid Shadow Legends.