How to unlock Another Sil’dihn Subterrane Criterion Dungeon in FFXIV

Final Fantasy XIV receives numerous patches and updates that expand the content available in the popular MMO, and the 6.25 patch is no different. It brings many new features, items, weapons, events, and more to the title. This includes the Sil'dihn Subterrane, which has many versions, such as the Criterion Dungeon. This may leave you wondering how to unlock the Sil'dihn Subterrane Criterion Dungeon in Final Fantasy XIV.

How to access the Sil'dihn Subterrane Criterion Dungeon in Final Fantasy XIV

To unlock the Sild'dihn Subterrane Criterion Dungeon in FFXIV, you must first have unlocked and defeated the variant Sil'dihn Subterrane dungeon. This version of the dungeon is unlocked by speaking to Osmon in Old Sharlayan at coordinates X: 11.9, Y: 13.3. Doing this will cause Shallor Moor to appear, an NPC who gives you the A Key to the Past quest. Complete this quest to unlock the dungeon.

Related: How to get the Sponge Silkie minion in Final Fantasy XIV

In addition, you must meet some prerequisites to get into the Sil'dihn Subterrane Criterion Dungeon. Here are the requirements for unlocking the criterion dungeon of the Sil'dihn Subterrane in FFXIV.

• Completed the main quest for Endwalker.
• Reach job level 90.
• Have item level 610.

Once you have completed the A Key to the Past and met these requirements, you can enter the Sil'dihn Subterrane Criterion Dungeon at any time. Be prepared, as this version of the dungeon is more challenging and has branching paths to explore.

For more information on Final Fantasy XIV, check out How to get the Sil’dihn Throne mount in Final Fantasy XIV and How to get the Sil’dihn Throne mount in Final Fantasy XIV on Pro Game Guides.