Sustained automatic fire
The Triarch Repeater is an automatic repeating Sidearm that can maintain continuous fire while Resolve remains available.
SidearmConfirmed
Triarch Repeater
Automatic repeating Sidearm
The Triarch Repeater is an automatic repeating Sidearm found inside Blackwell Cavern in Mammon. It supports sustained automatic fire and is collected as a dungeon floor pickup in a lit section of the cavern.
- Sidearm
- Automatic Sidearm
- Sustained fire
- Dungeon floor pickup
At a glance
Quick Facts
Sidearm identity
Automatic repeating Sidearm
Region
Mammon
Route anchor
Castigator’s Keep Beacon
Destination
Lit area inside Blackwell Cavern
Where to Find the Triarch Repeater
Region
Mammon
Route Anchor
Castigator’s Keep Beacon
Destination
Lit area inside Blackwell Cavern
Use Castigator’s Keep Beacon as the direct route anchor.
How to Get the Triarch Repeater
Travel from Castigator’s Keep Beacon to Blackwell Cavern, pass through the low-visibility tunnels, and collect the Triarch Repeater from the ground in the lit area.
Start at Castigator’s Keep Beacon.
Descend to the lower level and follow the cliffside route toward Blackwell Cavern.
Enter Blackwell Cavern.
Continue through the dark or low-visibility tunnel section.
Continue until you reach the lit section inside the cavern.
In the lit section, collect the Triarch Repeater from the ground.
Triarch Repeater Sidearm Mechanics
Patch Context
Balance Patch 1
The official post-release Balance Patch 1 removed the minimum Resolve requirement needed to begin firing. The Triarch Repeater still uses Resolve while firing; the change removed the threshold that previously prevented firing at low Resolve.
Triarch Repeater FAQ
Where is the Triarch Repeater in Mortal Shell II?
The Triarch Repeater is on the ground in a lit area inside Blackwell Cavern, Mammon.
Which Beacon should you use for the Triarch Repeater?
Use Castigator’s Keep Beacon as the route anchor, then descend and follow the cliffside route toward Blackwell Cavern.
Do you need to defeat a boss for the Triarch Repeater?
No named boss is part of the verified acquisition route. The Sidearm is collected from the ground inside Blackwell Cavern.
How does the Triarch Repeater fire?
It is an automatic repeating Sidearm that supports sustained automatic fire while Resolve remains available.
What did Balance Patch 1 change for the Triarch Repeater?
Balance Patch 1 removed the minimum Resolve requirement needed to begin firing. The Sidearm still uses Resolve while firing.
Sources & Verification
Current-release information reviewed 2026-08-28.