Fields of Mistria — Mines Level 90

What the research confirms

This page answers the search task using the supplied research snapshot. The details below are paraphrased from the evidence points rather than presented as first-hand testing.

• Floor 90 is in The Ancient Ruins biome and is the “Find the Magic Key” quest location.
• Floor 90 contains the Dragon Forge (southwest area) and the Priestess’ Chambers.
• The Dragon Forge at Floor 90 is used to craft the four Dragon-Forged items (Core, Fang, Horn, Powder) for the Final Seal of the Mines.
• General floor/elevator mechanic for the Mines (elevators at every 5th floor), giving context for reaching deep floors including 90.
• No Floor-90-specific transcript excerpt present in evidence; no TRANSCRIPT CLAIM recorded.
• No official-source confirmation found.
• Floor 90 is in The Ancient Ruins biome and is the site of the ‘Find the Magic Key’ quest and the Dragon Forge.
• The Dragon Forge at Floor 90 is used to craft the Dragon-Forged Core/Fang/Horn/Powder for the Mines’ Final Seal.

How to use this information

Use the named locations, items, characters, requirements, or status notes below as the page-specific reference. When a detail is marked as historical or unconfirmed, keep that limitation in mind before planning a current save file.

Limits and version scope

The material was accessed on August 30, 2026. Older patch references remain labeled, and the absence of a detail in the supplied material is not proof that the feature does not exist.

Sources used

The page uses only the supplied research sources for its factual scope.

• IGN — Mines Guide (Fields of Mistria) — accessed 2026-08-30.
• Fields of Mistria Wiki — The Mines — accessed 2026-08-30.