Mortal Shell II All Shells: 8 Unlockable Shells + Harros Explained
See the Mortal Shell II Shell roster, the eight unlockable receptacles tied to achievements, and why some guides count Harros as a ninth Shell.
Cold Symmetry officially advertises eight playable Shells. Launch trophy and achievement lists identify the eight unlockable receptacles as Sester Genessa, Tiel, Lazlo, Eredrim, Sariel, Proxima, Smert, and Gragu. Harros is controlled during the prologue, which is why beta-era guides may describe nine Shell bodies in total.
Quick answer

Image source: PlayStation Store — Proxima and the Marrow Keep equipment/Shell interface. Pending final media review.
Mortal Shell II officially advertises eight playable Shells.
Launch trophy and achievement lists identify these eight unlockable receptacles:
- Sester Genessa
- Tiel
- Lazlo
- Eredrim
- Sariel
- Proxima
- Smert
- Gragu
So why do some guides say there are nine Shells?
Because Harros is also a body you control during the prologue. GamesRadar's beta guide describes Harros as the tutorial Shell and says he cannot be equipped after the prologue, while the other eight are the wider playable roster.
The cleanest way to describe the system is:
Eight unlockable playable Shells, plus Harros as the prologue Shell.
The eight unlockable Shells

Image source: Cold Symmetry / Playstack — Official Shell/gameplay visual. Pending final media review.
The strongest launch-day evidence for the roster comes from the achievement and trophy lists. Each of the following Shells has an individual unlock objective, and the broader Shell Seeker objective requires unlocking all receptacles.
| Shell | Achievement/trophy evidence | Retail location status |
|---|---|---|
| Sester Genessa | Individual unlock objective | Add exact route after in-game check |
| Tiel | Individual unlock objective | Add exact route after in-game check |
| Lazlo | Individual unlock objective | Add exact route after in-game check |
| Eredrim | Individual unlock objective | Add exact route after in-game check |
| Sariel | Individual unlock objective | Add exact route after in-game check |
| Proxima | Individual unlock objective | Add exact route after in-game check |
| Smert | Individual unlock objective | Add exact route after in-game check |
| Gragu | Individual unlock objective | Add exact route after in-game check |
This table deliberately does not invent locations or ability numbers. Those are exactly the details most likely to become wrong when a beta route is copied into a launch guide.
Why Harros causes the 8-vs-9 confusion

Image source: Steam / Cold Symmetry — Beta-era visual; use only as beta context. Pending final media review.
GamesRadar's pre-release Shell guide counted nine Shell bodies and explicitly listed:
Harros, the Vassal — prologue only
The same guide says Harros is once again the tutorial Shell and cannot be equipped after the end of the prologue.
That creates two valid counting methods:
Count method 1: long-term playable roster
Eight Shells.
This matches Cold Symmetry's official wording and the eight individual unlock trophies.
Count method 2: every Shell body the player controls
Nine if Harros is included.
This explains why different guides can show different totals without necessarily describing the same thing.
For a launch SEO page, the official eight-Shell wording should be the headline answer, with Harros explained immediately below it.
Sester Genessa
Sester Genessa has her own unlock trophy and counts toward Shell Seeker.
For the final location version of this page, capture:
- the first encounter,
- the unlock interaction,
- the Shell/receptacle screen,
- the nearest Beacon,
- and the first ability or memory screen.
Do not assume that pre-release NPC routes are identical to the retail route.
Tiel

Image source: AltChar — Gameplay-reveal visual hosted by AltChar; illustrative, not a Tiel identification image. Pending final media review.
Tiel returns as one of the clearly identified Shells.
The beta guide described Tiel as the first of the wider playable Shells and showed a mobility-focused ability set, but exact launch ability wording and values should be read from the retail game before publishing a detailed build recommendation.
The safest permanent facts today are:
- Tiel is part of the eight unlockable roster.
- Tiel has an individual unlock achievement/trophy.
- Tiel counts toward Shell Seeker.
Lazlo
Lazlo has a dedicated unlock objective.
Because launch achievement lists confirm the name but do not provide a full location walkthrough, avoid filling the gap with a guessed route. Once the retail location is confirmed, this section should add:
- region,
- nearest Beacon,
- unlock requirement,
- first memory,
- and a screenshot of the body or interaction point.
Eredrim

Image source: Maxi-Geek — Gameplay-reveal screenshot hosted by Maxi-Geek; illustrative Shell combat. Pending final media review.
Eredrim is another returning name with an individual unlock trophy.
Beta and pre-release material may be useful for understanding his intended combat identity, but a launch guide should separate that from verified retail ability text.
Sariel
Sariel is one of the eight achievement-backed unlockable Shells.
The important launch task is to capture the exact route and ability page rather than relying on mined or preview data.
Proxima
Proxima has a dedicated unlock achievement and is included in the official roster context.
Use the retail ability screen for any future elemental, lightning, damage, or build claims.
Smert
Smert has an individual unlock objective and counts toward Shell Seeker.
Because some launch-day databases mix NPC records, Shell records, and mined entries, the achievement-backed unlock is a cleaner foundation for this page than a generic datamined roster.
Gragu
Gragu also has an individual unlock objective.
As with Smert, do not confuse a named NPC or encounter record with the exact process required to unlock the playable Shell. The final guide should show the retail interaction that triggers the unlock.
What about Harros?
Harros should be listed separately.
A useful reader-facing summary is:
- Yes, you control Harros.
- No, Harros is not one of the eight wider unlockable Shells.
- Beta coverage identifies him as the prologue-only tutorial Shell.
This distinction is useful because players searching for "all Shells" may be trying to reconcile an achievement list with an older nine-Shell infographic.
How Shell progression works

Image source: GRYOnline.pl — Third-party hosted gameplay visual. Pending final media review.
The official Steam page says each discovered Shell can be awakened and possessed, unlocking innate strengths and unique abilities.
GamesRadar's beta coverage also described Shell upgrades and a Bonding system at Marrow Keep, but exact retail upgrade costs, Bond tiers, and ability values should be documented from the launch build before they become part of an evergreen guide.
A strong final Shell database should eventually track:
| Field | What to record |
|---|---|
| Name | Exact retail name |
| Region | Where the Shell is found |
| Nearest Beacon | Best navigation anchor |
| Unlock requirement | Boss, item, quest, or interaction |
| Core ability | Exact in-game wording |
| Bond progression | Tier or memory requirement |
| Recommended weapons | Only after testing |
| Recommended Tarstones | Only after testing |
| Last verified | Build/date |
| Screenshot | Location + ability screen |
Which Shell is best?

Image source: Playstack — Official combat visual showing build-dependent combat context. Pending final media review.
There is no good reason to publish an absolute launch-day tier list before the roster is fully tested.
A Shell's value depends on:
- its ability kit,
- Bond progression,
- weapon choice,
- sidearm choice,
- Tarstones,
- boss matchup,
- and player execution.
A better first version of this page is a trustworthy roster with clear evidence. The tier list can come later once the underlying systems are documented.
FAQ
Does Mortal Shell II have eight or nine Shells?
Cold Symmetry advertises eight playable Shells. Some beta guides count Harros as a ninth body because you control him during the prologue.
Is Harros one of the eight unlockable Shells?
The launch trophy list identifies eight other Shells as individual unlock objectives. GamesRadar's beta guide labels Harros as prologue-only.
What are the eight unlockable Shells?
Sester Genessa, Tiel, Lazlo, Eredrim, Sariel, Proxima, Smert, and Gragu.
Are all Shell locations confirmed?
Not in this draft. Exact launch-build routes should be added only after they are checked in the retail game.
Sources
Frequently asked questions
How many playable Shells are in Mortal Shell II?
The official site advertises eight playable Shells.
Why do some Mortal Shell II guides say there are nine Shells?
Some beta guides count Harros, the prologue body, in addition to the eight Shells that can be unlocked for the wider game.
What are the eight unlockable Shells?
Sester Genessa, Tiel, Lazlo, Eredrim, Sariel, Proxima, Smert, and Gragu are each tied to individual unlock achievements or trophies.
Sources and verification
This page was last checked on 2026-08-20 00:00. Sources should support the answer, not simply decorate the page.
Mortal Shell II official website ↗All Shells in Mortal Shell 2 - GamesRadar ↗Mortal Shell II Trophy Guide and Roadmap ↗