Learn how to unlock Pyre Hearts in Monster Train 2 to access Dimensional Challenges, new mechanics, and strategic gameplay options.

If you are trying to progress in Monster Train 2 but the Dimensional Portal stays closed, it’s likely because you haven’t met the requirements involving Pyre Hearts. These are more than just modifiers, they’re tied directly to unlocking the story’s next phase and accessing harder modes. Each Pyre Heart adds variety to your strategy. Some affect unit boosts, others impact how you approach battles. Unlocking them changes your decision-making before and during each run.
Here’s a guide to help you get those crucial unlocks quickly and without confusion.
What Do You Need To Unlock Pyre Heart in Monster Train 2?
You can preview every Pyre Heart’s status before a run begins. On the setup screen, click the Pyre Heart icon. This brings up all the locked and unlocked hearts, along with the requirements to activate each one. It also lets you pick which Pyre Heart to use for that run.
If you are not ready to start a new game but still want to review your progress, use the in-game Library. It’s a helpful place to revisit requirements between attempts.
The Three Early Pyre Hearts You Can Unlock

To open the Dimensional Portal and access deeper gameplay layers, you need to unlock any two of these three Pyre Hearts in Monster Train 2. You don’t have to get them all at once; just choose which goals suit your style and work through them.
Lifemother’s Pyre
Take 475 total Pyre damage across all your runs. It doesn’t matter if the runs are wins or losses; any damage to your Pyre counts. If you want to speed things up, launching quick runs and letting them fail can help. It’s not pretty, but it gets the job done.
Heart of the Pact
Win nine battles with Trials enabled. Before most fights, you will see the Trial toggle; switching this on adds difficulty but improves rewards. You will need to win nine battles with this active, and they don’t all have to be in the same run. This goal suits players who enjoy risk and don’t mind tougher encounters.
Wyngh’s Spirit
Move your units a total of 275 times. Every positional change during combat adds to your count. That includes swaps, shifts, and any movement triggered by cards or abilities. This one usually finishes on its own if you play long enough, but you can accelerate progress by deliberately using movement effects. Even suboptimal moves count.
Why Pyre Hearts in Monster Train 2 Matter
Unlocking two Pyre Hearts in Monster Train 2 activates the Dimensional Portal, which introduces Dimensional Challenges. These are tougher scenarios with unique modifiers that test your adaptability. The added difficulty also brings better rewards, which can influence your runs going forward.
You will also unlock Malicka’s Shifting Pyre. This special heart boosts all recruited units during your run. It changes how your units perform and creates new combinations, especially when paired with specific clan strategies.
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