Mether’s Pulse is Mortal Shell 2’s rechargeable healing flask: it unlocks after your first Shell, refills at Beacons, and is upgraded there with Revered Glands for more uses and Synaptic Vessels for stronger healing.
Every Harbinger leans on the same flask to stay alive in Mortal Shell 2, and it is one of the first tools the game hands you. Once you understand how it refills and which two materials feed its upgrades, keeping yourself topped up through the harder stretches gets a lot easier. Here is what Mether’s Pulse actually is and how to make it stronger.
Mether’s Pulse, not a separate meter
If you have been hunting for a “meters pulse” upgrade, you are almost certainly looking for Mether’s Pulse — the healing flask named for the goddess Mether. There is no separate “meter” system hiding behind that phrasing. It is the flask your Harbinger carries from the moment you take control of your first Shell, and that is what players mean when they ask how to boost it.
What Mether’s Pulse does and when it unlocks
Mether’s Pulse is the game’s standard refillable healing consumable — your main on-demand heal in the middle of a fight. It gives you a second layer of defense that supplements your Shell’s health, so it carries a big share of your early survivability before you have other tools.
You get it right at the start: it unlocks after you claim your first Shell, alongside your first Weapon and Sidearm. Its uses are restored when you rest at a Beacon, so the flask is designed to be spent freely between checkpoints and then refilled the next time you reach one.
Two upgrade items: Revered Gland and Synaptic Vessel
| Item | Use |
|---|---|
| Revered Gland | Consume at a Beacon to increase how many times you can use Mether’s Pulse (Capacity). |
| Synaptic Vessel | Consume at a Beacon to increase how much health each use restores (Efficiency). |
Key Mether’s Pulse improves along two separate lines — Capacity (how many uses you get per Beacon) and Efficiency (how much health each use restores) — and each line has its own material. A Revered Gland raises Capacity; a Synaptic Vessel raises Efficiency.
Both items turn up in the overworld as loot, and you can also buy a limited supply of them from Merrick at Marrow Keep. The exact heal amount and the per-upgrade jump in uses or healing are not consistently pinned down, so treat these as steady qualitative gains rather than a fixed percentage per level.
Get a Revered Gland or Synaptic Vessel
Loot one from the overworld or buy one from Merrick at Marrow Keep before you head to a checkpoint.
Travel to any Beacon
Reach a Beacon and interact with it to open its menu.
Choose the Mether’s Pulse option
From the Beacon menu, pick Mether’s Pulse to spend a material on the flask.
Consume the item
Spend a Revered Gland to add Capacity or a Synaptic Vessel to add Efficiency, and the upgrade applies immediately.
Early Revered Glands for better survivability
Spend your first Revered Glands on Mether’s Pulse Capacity early — extra heals per Beacon carry more weight in the opening hours than saving the materials for later.
How Beacons handle healing and respawns
Beacons are the checkpoints that tie the whole healing loop together. Resting at one revives your equipped Shell, restores your Health and Resolve, and refills Mether’s Pulse. It also updates your respawn point to that Beacon and respawns regular enemies in the area — bosses stay down. So every time you sit at a Beacon you are trading a reset of the nearby fights for a full top-up and a fresh save point.
Related Mortal Shell 2 guides
Frequently Asked Questions
Does Mether’s Pulse refill automatically?
Its uses come back when you rest at a Beacon — it does not slowly regenerate on its own while you are out exploring. If you have spent all your charges, you need to reach a Beacon to get them back.
Can you buy Mether’s Pulse upgrades?
Yes. Merrick at Marrow Keep sells Revered Glands and Synaptic Vessels, but only in limited quantities, so you can’t buy your way to a fully maxed flask. Looting the overworld is the main way to keep the materials flowing.
Is Mother’s Pulse the same thing as Mether’s Pulse?
They are the same flask. The correct in-game spelling is Mether’s Pulse, after the goddess Mether; “Mother’s Pulse” is just a misspelling of the same item.
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