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Elden Ring Omen Form Transformation Guide & Lamenter’s Mask Location in Shadow of the Erdtree

Find Lamenter's Mask by exploring Lamenter's Gaol in Charo's Hidden Grave and defeating its optional boss. To transform, remove all armor, use the mask from a usable-item slot, and stay alive: death ends the form.
WorldShadow of the Erdtree Length4 min Posted Quest giverVGSources Team
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To get Lamenter’s Mask in Elden Ring: Shadow of the Erdtree, reach Lamenter’s Gaol from Charo’s Hidden Grave, find both gaol keys, and defeat the optional Lamenter boss. To transform, remove all four armor pieces, place the mask in a usable-item slot, and use it; the transformation lasts until you die.

Where to find Lamenter’s Gaol

Lamenter’s Gaol is in Charo’s Hidden Grave. Reach the area by progressing through Dragon’s Pit, defeating the Ancient Dragon-Man, and continuing to Dragon’s Pit Terminus. Travel south to the Grand Altar of Dragon Communion, then continue toward Charo’s Hidden Grave. From its Site of Grace, head northwest to the gaol entrance.

Access to the Realm of Shadow requires the Shadow of the Erdtree expansion. In the base game, defeat Starscourge Radahn and Mohg, Lord of Blood, then touch the withered arm at Mohg’s arena to enter the DLC area. PlayStation’s expansion page lists these entry requirements.

How to get Lamenter’s Mask

Lamenter’s Mask is the reward for defeating Lamenter, the optional boss at the end of Lamenter’s Gaol. It is not a separate chest pickup elsewhere in the Realm of Shadow.

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Rank #2
Elden Ring [Shadow of the Erdtree] (Collector's Edition)
  • Playstation 05 (PS5)
  • A New Fantasy World – Journey through the Lands Between, a new fantasy world created by Hidetaka Miyazaki, creator of the influential Dark Souls video game series, and George R. R. Martin, author of The New York Times best-selling fantasy series, A Song of Ice and Fire. Unravel the mysteries of the Elden Ring’s power. Encounter adversaries with profound backgrounds, characters with their own unique motivations for helping or hindering your progress, and fearsome creatures
  • World Exploration in the Lands Between – Elden Ring features vast fantastical landscapes and shadowy, complex dungeons that are connected seamlessly. Traverse the breathtaking world on foot or on horseback, alone or online with other players, and fully immerse yourself in the grassy plains, suffocating swamps, spiraling mountains, foreboding castles and other sites of grandeur on a scale never seen before in a FromSoftware title
  • Genre-Defining Gameplay – Create your character in FromSoftware’s refined action-RPG and define your playstyle by experimenting with a wide variety of weapons, magical abilities, and skills found throughout the world. Charge into battle, pick off enemies one-by-one using stealth, or even call upon allies for aid. Many options are at your disposal as you decide how to approach exploration and combat
  1. From the Lamenter’s Gaol Site of Grace, follow the tunnel and explore the early side rooms. Find the Gaol Upper Level Key in a chest before the narrow bridge.
  2. Return to the locked gate and use the upper key. Continue through the upper section, navigating ladders, broken floors, and corridors.
  3. In the deeper section, follow the route through the stairs and broken-floor rooms to the chamber with living jars. Find the Gaol Lower Level Key in a chest there.
  4. Use the lower key to open the route to the boss, then descend to the fog gate.
  5. Defeat Lamenter to receive Lamenter’s Mask. Lamenter can create duplicates, so identify the real boss rather than wasting attacks on copies.

For more room-by-room dungeon guidance, see Ludo Guide’s Lamenter’s Gaol walkthrough.

How to transform with Lamenter’s Mask

  1. Remove your head, chest, hands, and legs armor. All four armor slots must be empty.
  2. Put Lamenter’s Mask in a usable-item slot. Equipping it as ordinary headgear does not trigger the transformation.
  3. Use the mask while disrobed.

The item’s description says: “Use while disrobed to transform into a lamenter.” If the mask cannot be used, check that every armor slot is empty and that you are using it as a tool. Weapons, talismans, and consumables can remain equipped. Game8’s guide also describes the activation requirement.

What the transformation does

The mask changes your character into a Lamenter-like form and remains active until your next death. Death ends the transformation. Using the mask again while transformed does not revert you: it enlarges your character’s head and performs a special forward attack.

The transformation provides fixed defensive benefits that partly compensate for having no armor. Game8 says those benefits stack with talisman defenses and Scadutree Blessing damage negation. Secondary mechanical coverage reports a +8 Arcane effect, but that number is not stated in the displayed item description; treat it as a reported database-derived effect, not official quoted text. VULKK’s Lamenter build guide covers the reported Arcane benefit.

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Question Answer
What does it cost you? You must remain without armor while transformed.
How long does it last? Until your next death.
Can you use it again? Yes. Using it while transformed enlarges the head and triggers a special attack rather than ending the form.
Is the reported Arcane effect official item text? No. Secondary mechanical coverage reports +8 Arcane, but the displayed description does not state that number.

Is Lamenter’s Mask worth using?

The transformation trades armor for fixed defensive compensation and a distinctive appearance. It may suit players who want to try a challenge or novelty build, roleplay the form, or test the reported Arcane benefit. Its duration can be useful during exploration, but death ends it, and it is not a universal replacement for armor or a normal weapon skill.

The mask’s lore text describes a transformation associated with “a denizen of paradise” and says the people of the tower feared and hid it. This is item text, not dialogue attributed to a named character.

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FAQ

How do I get Lamenter’s Mask?

Find Lamenter’s Gaol in Charo’s Hidden Grave, collect the Gaol Upper Level Key and Gaol Lower Level Key, and defeat the optional Lamenter boss.

Where is Lamenter’s Gaol?

Travel from Dragon’s Pit through Dragon’s Pit Terminus to the Grand Altar of Dragon Communion, then continue to Charo’s Hidden Grave. Head northwest from that area’s Site of Grace to find the gaol.

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Do I have to remove all armor to use Lamenter’s Mask?

Yes. Empty the head, chest, hands, and legs armor slots, then use the mask from a usable-item slot. Wearing it as ordinary headgear is not enough.

How long does Lamenter form last?

It lasts until you die. After death, you return to your normal form.

Does using the mask again end the transformation?

No. Using it while transformed enlarges the head and performs its special attack.

Does Lamenter’s Mask give Arcane?

Secondary mechanical coverage reports +8 Arcane, but the number is not printed in the displayed item description. Treat it as a reported effect rather than official quoted text.

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