Mortal Shell 2 Caged Hystrix
Caged Hystrix in Mortal Shell 2: Named like a creature rather than a weapon, but Balance Patch 1 confirms it fires — which makes it one of the two likeliest Sidearms…
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Short answer
Caged Hystrix is one of the thirteen Mortal Shell 2 weapons confirmed by a Valve “Unlock” achievement — Spiked, unlocked by 35.7% of players. Named like a creature rather than a weapon, but Balance Patch 1 confirms it fires — which makes it one of the two likeliest Sidearms on the list.

Confirmed facts
| Detail | Value |
|---|---|
| Unlock achievement | Spiked |
| Global unlock rate | 35.7% |
| Weapon / Sidearm split | Not published |
| Acquisition | Not published. |
What the patches changed
- It fires, and as of Balance Patch 1 it no longer has a minimum resolve requirement to do so.
- Named in the same patch line as the Triarch Repeater, so the two share a firing mechanic.
- Its achievement uses the definite article (“Unlock the Caged Hystrix”), the pattern every item entry follows.
- No damage values, ammo counts, or scaling published.
Reading the unlock rate
Valve publishes the global achievement rate, which is the only population data available for Caged Hystrix. At 35.7%, it is one of the rarer unlocks on the list — consistent with a late, optional, or well-hidden acquisition.