How to Fast Travel in Mortal Shell II: Mether's Breath & Beacons

Quick answer

Image source: AltChar — Open-world navigation illustration hosted by AltChar. Pending final media review.

Mortal Shell II's full Beacon fast-travel network is tied to Mether's Breath.

Current launch and Advance Access coverage agrees on the basic progression:

Cleanse Beacons → collect Ova/Ovum → return to Marrow Keep → use the Gloom Siphon → unlock Mether's Breath → travel between activated Beacons.

NerdsChalk's August 20 guide gives the most specific threshold and says Mether's Breath unlocks when the siphoned total reaches 8 Ova.

The Outerhaven independently confirms the broader system: enough Ovum from cleansing Beacons lets you use the Gloom Siphon to obtain Mether's Breath and then teleport from Beacon to Beacon.

Because the exact number 8 currently comes from third-party launch coverage rather than a first-party manual, keep this page as a draft until the threshold is captured in the retail build.

Step 1: Find and activate Beacons

Image source: Cold Symmetry / Playstack — Beacon-route/world illustration. Pending final media review.

Beacons are important long before you unlock full fast travel.

The Outerhaven's complete Beacon map treats them as the world's travel network, and its beginner guide recommends cleansing the Beacons that offer a cleanse route because they provide Ova and other progression rewards.

Not every Beacon appears to work exactly the same way.

Some function as major cleanseable progression points. Others can serve primarily as checkpoints or travel anchors.

For fast travel, the useful habit is simple:

Interact with every Beacon you find.

Your destination list later reflects the places you have actually discovered and activated.

Step 2: Cleanse Beacons and collect Ova

Image source: Steam / Cold Symmetry — Beta exploration/combat visual; exact Ova screenshot candidate is listed separately. Pending final media review.

Ova is central to the game's story and progression.

Steam describes the Harbinger as a being meant to reclaim the Undermether's stolen Ova, while launch guides connect Ova/Ovum collection directly to Beacon cleansing.

That means cleansing is not only a side-dungeon activity. It pushes a core progression track forward.

The spelling can be confusing because guides may use both Ova and Ovum. For the final published version, use the wording shown by the current retail UI.

Step 3: Return to Marrow Keep

Image source: PlayStation Store — Marrow Keep interface visual from PlayStation Store. Pending final media review.

Once you have enough Ova, return to Marrow Keep.

This is the step many players can miss if they assume the travel network unlocks automatically after activating enough Beacons.

You are looking for the Gloom Siphon.

Do not confuse this with ordinary Gloom spending. The Siphon is a specific progression interaction in Marrow Keep.

Step 4: Use the Gloom Siphon

Image source: Cold Symmetry / Playstack — World-system illustration; exact Gloom Siphon step images are listed in scrape-candidates.yaml. Pending final media review.

NerdsChalk's launch-day walkthrough reports that the Gloom Siphon tracks your deposited Ova and unlocks Mether's Breath when the siphoned total reaches 8.

The Outerhaven confirms the same progression chain without stating the exact threshold in its Tarforge article.

That gives us two levels of confidence:

High confidence

• Ova/Ovum comes from Beacon cleansing.
• The Gloom Siphon is used in Marrow Keep.
• Mether's Breath unlocks Beacon-to-Beacon fast travel.

Needs an in-game screenshot

• the exact 8-Ova threshold.

For the published article, capture the Siphon before and after the final required deposit.

Step 5: Unlock Mether's Breath

After the requirement is met, Mether's Breath becomes available.

This is the key item or ability tied to the regular Beacon travel network.

The important distinction is that Mortal Shell II can present more than one movement or return system. A one-way hub launch or an emergency return is not the same thing as the full Beacon network.

The SEO answer readers want is:

How do I unlock direct travel between Beacons?

Mether's Breath is the answer.

Step 6: Use Mether's Breath at an activated Beacon

Image source: GRYOnline.pl — Open-world destination illustration hosted by GRYOnline.pl. Pending final media review.

NerdsChalk reports that after unlocking it, you can interact with an activated Beacon, choose Mether's Breath, select a discovered destination, and confirm the trip.

The destination list is based on your progress rather than showing the entire world immediately.

That means a useful long-term rule is:

Activate every Beacon even after you have already unlocked fast travel.

Each new Beacon can expand the network.

Does every Beacon need to be cleansed?

Current launch coverage suggests that activation/discovery and cleansing are related but separate states.

Cleansing provides Ova for the unlock progression.

A Beacon can still be relevant as a checkpoint or travel destination even when it is not part of a cleanseable dungeon route.

The final tested page should explicitly check three Beacon states:

1. discovered but not activated,
2. activated but not cleansed,
3. cleansed.

Then verify which of those states appear in the Mether's Breath destination menu.

What is the Marrow Keep launchpad?

NerdsChalk distinguishes the early Marrow Keep launchpad from Mether's Breath.

The launchpad can move you outward from the hub, but Mether's Breath is the more flexible travel system because it is used from Beacon menus.

This distinction matters because a player may use an early transport method and assume they have already unlocked "fast travel."

They have not necessarily unlocked the full network.

Does fast travel cost Gloom?

Be careful with this question.

NerdsChalk notes a separate Return to Marrow Keep command associated with Mether's Breath that can spend held Gloom, while routine Beacon-to-Beacon travel is described separately.

That detail should be checked directly in the retail UI before publication.

Do not write "all fast travel costs Gloom" based on the emergency return behavior.

Best time to unlock Mether's Breath

Image source: Yahoo / CG Magazine — Dungeon/travel incentive illustration hosted by Yahoo/CG Magazine. Pending final media review.

If you are exploring broadly, this is worth prioritizing early because Mortal Shell II has:

• a compact but interconnected open world,
• more than 80 dungeons according to Steam,
• many Beacons,
• Shells and weapons spread across the world,
• and repeated reasons to return to older regions.

Fast travel reduces the cost of correcting missed routes, returning to upgrade systems, and revisiting a region after obtaining a new requirement.

Launch-build verification checklist

Before publishing, capture:

• Current Ova/Ovum total.
• A Beacon cleanse that awards Ova.
• The Gloom Siphon in Marrow Keep.
• The Siphon immediately before the threshold.
• The final Ova deposit.
• Mether's Breath unlock notification.
• Mether's Breath in the relevant menu/inventory.
• An activated Beacon menu.
• The destination map.
• Arrival at a second Beacon.
• Whether routine Beacon travel consumes Gloom.

Once those are captured, the article can move from reported to tested.

FAQ

How do you fast travel in Mortal Shell II?

Unlock Mether's Breath through the Ova/Gloom Siphon progression, then use it through activated Beacons.

How many Ova do you need?

NerdsChalk's launch-day guide reports 8 Ova. Confirm the exact threshold in-game before final publication.

Where is the Gloom Siphon?

It is in Marrow Keep.

Do you need to cleanse every Beacon before fast travel works?

No source used here says every Beacon must be cleansed. Cleansing is tied to Ova progression, while travel destinations depend on discovered/activated Beacons.

Can you fast travel before Mether's Breath?

There are other movement options, but the regular Beacon-to-Beacon network is tied to Mether's Breath in current launch coverage.

Sources

• Mether's Breath Guide - NerdsChalk
• All Beacon Locations and Complete Map - The Outerhaven
• How to Repair the Tarforge - The Outerhaven
• Mortal Shell II official website