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Mortal Shell 2 Weapon Locations

Mortal Shell 2 Great Martyr’s Blade Location

Last verified: 8/24/2026 Retail release Mortal Shell II Guide 2 min read
Mortal Shell 2 Great Martyr’s Blade Location

The direct answer

The Great Martyr’s Blade is at the end of Martyr’s Prison, a dungeon outside the Citadel of Penance walls. Start at Gloomshade Grove, go northeast, interact with the pouch to teleport inside, then take the blade at the end.

Mortal Shell II world map placing Gloomshade Grove and the Citadel of Penance.
Martyr's Prison Outside the Citadel of Penance, northeast of Gloomshade Grove

World map. Martyr’s Prison is outside the Citadel of Penance, northeast of Gloomshade Grove. Look for the dungeon door, then the pouch that teleports you inside.

In-game world map

Before you start

  • Unlock Gloomshade Grove.
  • Search outside the citadel walls, not in the Warden pit where Eredrim is.

How to get the Great Martyr’s Blade

  1. From Gloomshade Grove, go northeast. Find Martyr’s Prison.
  2. Interact with the small pouch. That teleports you into the main prison.
  3. Clear to the end of the dungeon. Take the blade.

Where is Martyr’s Prison?

Outside the Citadel of Penance, northeast of Gloomshade Grove.

Is this inside Eredrim’s arena?

No. Eredrim is in the citadel pit. This dungeon is outside the walls.

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