Mortal Shell II Hub

All 8 Mortal Shell 2 Sidearm Locations

Quick answer: there are eight sidearms in the launch build. Collecting all eight unlocks Guns. Lots of Guns. Community checklists agree that none is permanently missable before Send Ova, so late-game free-roam cleanup is possible.
Mortal Shell II ranged and melee combat

Sidearm checklist

#SidearmAreaNearest Beacon
1NayleshottePrologue
2Forgotten CrossbowFlooded VillageBlackridge Pass
3Salvaged TrebuchaxeRavaged HideoutGloomshade Grove
4Troubadour's LuteOne Legged Wolf TavernOne Legged Wolf
5Triach RepeaterBlackwell CavernCastigator's Keep
6BallistazookaSentry's GraveGate of Mammon
7Cursed ChildRevered Beacon dungeonSester's Gate
8Caged HystrixChamber of BecomingThe Silent Steps

How to get each sidearm

1. Nayleshotte

Prologue: Claimed with the starting equipment during the prologue.

2. Forgotten Crossbow

Flooded Village — Blackridge Pass: Break into the Flooded Village route, find the Damp Key after the lifts, and use it on the locked room containing the pickup.

3. Salvaged Trebuchaxe

Ravaged Hideout — Gloomshade Grove: Clear the hideout and inspect the body in its final room.

4. Troubadour's Lute

One Legged Wolf Tavern — One Legged Wolf: Enter the tavern and collect it from the stage; Gragu's Shell quest can be advanced on the same visit.

5. Triach Repeater

Blackwell Cavern — Castigator's Keep: Search the first illuminated room and the broken wagons on the floor.

6. Ballistazooka

Sentry's Grave — Gate of Mammon: Defeat the Subjugated Guardian miniboss in the dungeon.

7. Cursed Child

Revered Beacon dungeon — Sester's Gate: Reach the upper lighthouse section, break the central brazier, and collect the weapon before using the exit light.

8. Caged Hystrix

Chamber of Becoming — The Silent Steps: Complete Sariel's Chamber route and inspect the tablet near the dungeon exit.

If the achievement did not unlock

View the primary weapons reference · Achievement guide
Evidence: sidearm names are cross-checked against Steam achievement data and current player inventories. Locations were synthesized from two independent current checklists: All Things How and Gamer Guides. Verified August 23, 2026.