Ready to take on Monster Train 2’s toughest challenges? Here’s how to unlock the Dimensional Portal game mode quickly, plus tips on Pyre Hearts and rewards.
How to Unlock the Dimensional Portal in Monster Train 2 (Fast Guide)
Monster Train 2 is here, and it builds beautifully on the addictive formula of the first game. It still has that fast-paced roguelike deck-building action we all love, but this time around, there are new twists—including the mysterious Dimensional Portal mode.

This game mode throws you into a whole new kind of challenge run, packed with specific deck setups and game-changing mutators. But heads up—it’s not available from the start. You’ll need to unlock it first. Here’s exactly how to do that (and fast).
🚪 What Is the Dimensional Portal in Monster Train 2?
The Dimensional Portal unlocks a new mode called Dimensional Challenge, where you’re given a pre-set deck and three active Mutators (modifiers that shake up gameplay). It’s perfect for anyone looking for a deeper challenge or just a break from the standard runs.
🔓 How to Unlock the Dimensional Portal
To open up this game mode, you first need to unlock two Pyre Hearts.
There are 13 Pyre Hearts total, each with unique effects and requirements, but you only need any two to start playing Dimensional Challenges. Here are the easiest ones to grab early:
❤️ 1. Heart of the Pact

- Effect: After playing cards from both your Primary and Allied clans, draw +1 next turn.
- Unlock Requirement: Win 9 battles with Trials enabled.
- Tip: Trials show up before battles and give you bonus rewards for tougher enemies. Focus on early fights—they’re easier, even with Trials.
- Tip: Trials show up before battles and give you bonus rewards for tougher enemies. Focus on early fights—they’re easier, even with Trials.
🌿 2. Lifemother’s Pyre

- Effect: Lets you copy cards at the Merchant of Steel, Magic, or Trinkets.
- Unlock Requirement: Let your Pyre Heart take 475 damage.
- Tip: Run a few battles and let enemies break through. This will probably happen naturally in failed runs.
- Tip: Run a few battles and let enemies break through. This will probably happen naturally in failed runs.
🔁 3. Wyngh’s Spirit

- Effect: Once per battle, fully heals front units on all floors.
- Unlock Requirement: Move units a total of 275 times.
- Tip: Any movement counts! Use cards like Advance (especially with the Banished Clan) to rack this up quickly.
- Tip: Any movement counts! Use cards like Advance (especially with the Banished Clan) to rack this up quickly.
Unlocking any two of the above Pyre Hearts will unlock the Dimensional Challenge mode, giving you access to the Portal.
🏆 Dimensional Portal Rewards in Monster Train 2

Once the Portal is unlocked, you’ve got 21 challenges to clear, each more intense than the last. Only the first is available at first—beat it to move on to the next.
Here’s what you get for pushing through:
Challenges Completed | Reward |
1 | Malicka’s Shifty Pyre (Pyre Heart) |
10 | Rock ‘N Roll Heaven (Train Cosmetic) |
21 | Pyre Crystal Mastery Frame (Card Frame) |
The Dimensional Challenge mode is tough, but it’s a great way to sharpen your skills and try out new cards, units, and strategies. Plus, the rewards are totally worth it. Keep unlocking more Pyre Hearts to open up even more gameplay options and features.
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