3 official sources support the stable facts on this page. 1 independent source are labeled as cross-checks, not primary proof.
Last reviewedConfirm the entrance and unlock state
- Open the current quest log and look for the Mines progression objective before planning a deep run.
- Use the northern part of the Narrows as the current entrance cross-check.
- Confirm which elevator floors and seals are already available in this save.
- Read any new 1.0 dungeon quest before selling late-game ore, forageables, fish, artifacts, or monster materials.
- Use the live quest text when an older guide gives a different unlock condition.
Choose one objective before entering
- Progression: reach the next live elevator, seal, quest room, or story checkpoint.
- Resources: target one current biome and one material family instead of collecting everything.
- Museum: protect the first unfamiliar artifact, fish, insect, or forageable until checking the collection panel.
- Requests: carry only the tools, food, and empty slots needed for the active objective.
- Combat: keep a health and return-time buffer instead of extending a run after the main goal is complete.
Protect progression materials
- Check whether the item appears in an active story or Request Board objective.
- Check the Museum before selling the first unfamiliar artifact or biome collectible.
- Keep a small reserve of late-game ore and monster materials before crafting gifts or decor.
- Record biome and floor range for anything that will be needed again.
- Sell confirmed surplus only after the quest, museum, crafting, and relationship checks are clear.
Apply the latest official patch boundary
Official patch v1.0.2 adjusted item drop rates for monsters in the final Mines biome and adjusted the elevator interaction range. Patch v1.0.3 fixed an occasional elevator crash and a crash in a final Mines cutscene. Those notes are evidence that exact drop behavior and progression stability are update-sensitive, so the live game overrides older route tables.
Verification boundary
What still needs live verification
Exact drops, enemy behavior, floor events, unlock requirements, and rewards can change after patches. This guide does not publish unverified drop rates or a permanent floor-loot table.
Official descriptions establish stable scope. Interface paths, balance, values, rewards, schedules, and version-specific behavior must still be checked in the current game build.
Official media and records
Check the primary sources
Use these official pages for the current store description, announcements, screenshots, patch notes, or platform status.