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Mortal Shell II beginner guide: how long it takes, Shells, Resolve, PC specs

October 25, 2026 · 6 min read

Mortal Shell II beginner guide: how long it takes, Shells, Resolve, PC specs

How long Mortal Shell II takes, what Shells, Harden and Resolve do, how not to lose your Gloom, which difficulty toggles to use, what PC you need — and whether you can finish it in a month's rental.

Mortal Shell II is the second soulslike from small studio Cold Symmetry, published by Playstack. The first game was short — 10 to 15 hours — and stood out for one idea: you play a faceless spirit that possesses the bodies of fallen warriors and takes on their abilities. The sequel keeps that idea, but it is roughly twice as long, drops the stamina bar and adds firearms.

Here is what's worth knowing before your first session: how long it takes, how the core systems work, and what to expect on PC.

Account rental · SteamMortal Shell IIfrom 70 грнRent

How long it takes to beat

The developers put a full playthrough at 30–40 hours, and a main-path run with some side areas and normal levelling at about 30. Outlet estimates vary a lot, because in a soulslike your playtime depends heavily on how often bosses kill you.

How you playHours
Story only, confident player17–25
Story at a normal pace, with side areas30–40
Nearly everything, including Night Mode50–60+

We couldn't find HowLongToBeat data at the time of writing, so the table combines the studio's estimate with several outlets (links in the sources).

Shells: the core idea

A Shell is the body of a fallen warrior that your character inhabits. Each one works like a class, with its own special skill and passive. There are eight, scattered across the world, and you have to find them.

Tips that come up again and again in beginner guides:

  • don't spread yourself thin — pick two or three Shells and level those;
  • if you die while in a Shell, you get knocked out of it and can try to get back in, so one mistake doesn't end the fight;
  • Tarstones are equipped on your character, not on the Shell, so they stay with you when you switch.
Equipment screen at the Marrow Keep
Equipment screen: the Proxima, The Broodseeker Shell with its skill and passive

Combat: Harden, Resolve and Seals

Harden

The series' signature move. Your character turns to stone for a moment and takes a hit without damage. It's most useful mid-attack: start a swing, see the enemy counter, harden, absorb their blow, then finish your own. Practise on weak enemies before trying it on a boss.

Resolve instead of stamina

There is no stamina bar in the sequel: you can dodge and sprint as much as you like. Instead there's Resolve, which powers Shell skills, your Sidearm and Tarstones. It refills when you land melee hits — the game rewards attacking rather than turtling.

Seals decide how you defend

Your defensive option comes from the Seal in a dedicated slot: guard, parry, or neither. A perfect guard that staggers the enemy, for example, needs a specific Seal. Parries build the enemy's stun bar toward a riposte. You'll find Seals as you go — don't be afraid to swap them for a particular boss.

Fight in a courtyard of red leaves
A heavy weapon against a dual-blade enemy
Mortal Shell II — release date trailer (Playstack)

Currencies, healing and save points

  • Gloom is the levelling currency, dropped by enemies. When you die it stays at your body until you pick it up. You spend it with Franz at Beacons.
  • Coin is a separate currency for Merrick's shop.
  • Ova come from cleansing Beacon dungeons. Six of them unlock fast travel at The Marrow Keep — worth doing early.
  • Beacons are save points, rest spots and fast-travel nodes. Resting restores health and healing charges.
  • Healing is Mether's Pulse, with limited charges that refill at a Beacon and can be upgraded with special items.

Reviewers' main complaint is that upgrade currency and materials are scarce, which can mean grinding in places. Don't spend Gloom on everything: invest in your chosen Shells and weapons.

Horned giant in a swamp
Enemies like this are where Harden earns its keep

Which difficulty to pick

Two toggles change the difficulty:

  • Slayer Seal is an easier mode. Good if you mainly want the story, but it disables achievements.
  • Night Mode makes enemies tougher in exchange for more Gloom, extra rewards and added content. Save it for a second run or if the base game isn't enough.

PC system requirements

Minimum
OSWindows 10 / 11
CPUIntel Core i7-10700K / AMD Ryzen 5 3600
GPURTX 2060 Super 8 GB / RX 6600 8 GB
StorageSSD required

The Steam page lists no recommended specs. At launch, players reported frame drops and crashes. The week-one patch moved shader compilation to the menu, thinned out enemies in busy areas, fixed many crashes and added a setting that reduces VRAM use. On Steam Deck the game is rated Playable rather than Verified, due to small text and wrong button icons.

What to know before renting

  • Ukrainian is supported for the interface and subtitles only. Full voice-over is English only.
  • It's single-player with no multiplayer or co-op, so you lose nothing in an offline rental.
  • The Steam store page shows no third-party DRM notice (such as Denuvo). The usual order still applies: sign in, download the game, launch it once online, and only then switch Steam to offline mode (see how it works).
  • Scores: around 83–84 on Metacritic and 85 on OpenCritic, Mostly Positive on Steam. Praise goes to stamina-free combat, the variety of Shells and the grim world; criticism to scarce currency, camera and animation bugs, and a few bosses with uneven difficulty.

Sources

Account rental · SteamMortal Shell IIfrom 70 грнRent

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