In Mortal Shell II, the item commonly called Unwieldy Stone is described as a Resolve-consuming charged heavy attack. A secondary guide reports that Merrick sells it in Marrow Keep for 2,000 coins, but that price and route are not confirmed by the official sources available. Tarforge details and the stone’s current numerical effects also remain unverified, so check the current in-game prompts before spending resources.
What does Unwieldy Stone do?
Secondary guides describe Unwieldy Stone as an ability Tarstone that uses Resolve to perform a charged heavy attack. The surfaced descriptions do not establish its current Resolve cost, damage, attack reach, or stagger effect. The item is called “Unwieldy Stone” in those guides, although the original title uses “Unwieldy Tarstone.”
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A separate wiki entry supports the basic charged-heavy-attack description, but does not provide confirmed current values or acquisition details: Mortal Shell 2 Wiki: The Iconoclast.
Where can you get Unwieldy Stone?
NerdsChalk’s guide, updated August 21, 2026, reports that Merrick sells the stone in Marrow Keep for 2,000 coins: NerdsChalk’s Unwieldy Tarstone guide. This is secondary-source information, not a price or route verified by the game’s official materials reviewed here. Confirm the item and price with Merrick in your current game before budgeting around that figure.
#1 Best Overall
- THEIR FLESH IS YOUR WEAPON: The corpses of exceptional warriors are scattered throughout Mortal Shell 2’s destroyed world. Once discovered, each warrior can be possessed, awakening their innate strengths and mastered abilities. Evolve your own style of combat by harnessing the unique abilities of each warrior and unlock their secrets through the discovery of lost memories.
- CLEANSE A RAVAGED WORLD: Mortal Shell 2’s compact open world connects over winding footpaths guarded by desperate and fanatical adversaries. Players who wander are rewarded with new warriors to possess, additional story elements, powerful and strange weaponry, upgrades, curiosities and more. Step through derelict temples of ancient deities, across forbidden forests and icy graves, into citadels carved out of bone. Scattered between these lost landmarks are more than 60 dungeons, each providing a challenging test of the talents and weaponry you have collected on your journey.
- DETHRONE FALSE GODS: You control the Harbinger, a being that must reclaim the Undermether’s stolen eggs that are now ruthlessly guarded by grotesque, dangerous creatures. Mortal Shell 2’s combat system is agile and expressive. Stamina gauges are removed, and execution options have been enhanced, delivering a kinetic and chaotic dark power fantasy. Precision meets intensity in high-stakes combat.
How does Tarforge tempering reportedly work?
The same NerdsChalk guide reports that Tarstone tempering becomes available after you find Etching Needles in a chest near the arena leading to Magdalena in the Glutted Mire and bring them to Franz at the Tarforge in Marrow Keep. It says a slotted Tarstone gains XP and can then be tempered at the Tarforge. The official materials reviewed do not confirm those steps or state current tempering costs, so follow the prompts in your game if they differ.
NerdsChalk also claims that later tempering improves Leech and adds health restoration on a kill. Those specific benefits are not established as current-build effects. Do not assume a particular healing trigger or upgrade value without checking the stone’s in-game description.
What changed in the Tarstone system?
Maroon Ink Studio’s official Week 1 update announcement, dated August 29, 2026, describes system-level changes: the update introduced Fragile Tarstones and changed Tarcore returns when Tarstones are tempered. The announcement excerpt does not name Unwieldy Stone or confirm its ability text, price, or current upgrade effects: The Week 1 Update Is Available Now — Mortal Shell II.
Quick wins for a faster PC:
Scan for outdated or missing drivers - takes under a minuteDriver Scan →Clear out junk files and repair common Windows errorsFree Scan →Because the available item-specific details come from secondary guides and the game received a later Tarstone-system update, treat older figures and effect descriptions as potentially stale rather than guaranteed current behavior.
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What to check before investing in upgrades
No verified numerical comparison between Unwieldy Stone levels or other Tarstones is available here, so there is no supported basis for calling a particular level or build the best choice. In the current game build, check the following before committing coins or materials:
- Resolve cost and how long the charged attack takes to start.
- Attack reach, damage, and stagger against the enemies you intend to fight.
- The exact trigger for any healing or other sustain effect.
- Temper materials and coin costs shown at the Tarforge.
- Whether the ability fits your weapon and combat approach.
For game context, Steam lists Mortal Shell II as developed by Cold Symmetry, published by Playstack, and released August 20, 2026: Mortal Shell II on Steam.
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Rank #4
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