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WHERE & HOW TO FARM

Field route and alchemy

Fatui groups are spread across Teyvat. The current mapped route covers Paha Island, Renpo Island, and Heishi Island, with an additional Luna 4 map; regional routes also exist in older nations.

SEE WHERE TO GO

Interactive location map

Interactive maps & location tools

HoYoLAB interactive map

Search the material or enemy name, then enable its markers. Choose the matching region and surface or underground layer.

Sergeant's Insignia
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Before you go

Farming steps

  1. Choose a region where you need materials and open its route map in your planning view.
  2. On Paha Island, begin with the mapped ground groups and continue through the marked island route.
  3. Check the upper-level Paha target separately; Raskolnikov is quest-gated.
  4. If approaching the sealed-gate group, defeat the patrolling Landcruiser that opens access to it.
  5. Continue through the mapped Renpo Island and Heishi Island groups when available.
  6. Collect the drops and review which Insignia tier your upgrade requires.
  7. At an alchemy bench, craft three Recruit’s Insignias into one Sergeant’s, then three Sergeant’s into one Lieutenant’s.
  8. Use the resulting tier in the character or weapon upgrade menu.

Repeat, collect and use

Enemy groups return after the game’s normal enemy reset. Route access may remain limited by quests or region progression.

Common mistakes

  • Expecting each enemy to drop the desired tier: treat drops as variable and use alchemy to bridge tiers.
  • Going to the upper Paha target before its quest: unlock the named quest first.
  • Skipping the Landcruiser near the sealed gate: defeat it to open that group’s access.

When to stop or switch

Stop when your upgrade inventory meets its Insignia requirements, or when the route’s remaining groups are inaccessible in your current world state.

Sources & fact checks

What you can get here

Open a guide to find other locations and see what the item is used for.