Fields of Mistria — Ruby

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.

• Ruby is found in The Upper Mines biome and is a contribution for ‘The Water Tablet’ quest (unlocking the Tide Caverns).
• Ruby is required 10x for the ‘Procuring the Sealing Scroll’ quest.
• Each Mines biome has a unique gem; Ruby is the Upper Mines gem per IGN. The wiki supports the per-biome gem mechanic generally.
• No transcript claim added: transcript text was NOT in the provided evidence set, so a Ruby mention could not be verified.
• NOT FOUND.
• Ruby is a gem found in The Upper Mines biome; required for ‘The Water Tablet’ quest (unlock Tide Caverns) and 10x for ‘Procuring the Sealing Scroll’.

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.

• Mines Guide - Fields of Mistria Guide - IGN — accessed 2026-08-30.
• Mining - Fields of Mistria Wiki — accessed 2026-08-30.