Guild Grows

Guild Grows in Glenumbra Walkthrough – ESO Thieves Guild Quest Guide

The "Guild Grows in Glenumbra" quest is the second main mission in the Thieves Guild questline in The Elder Scrolls Online. This quest takes you deeper into the shady underworld of Daggerfall and…

July 10, 2026
3 min read

The “Guild Grows in Glenumbra” quest is the second main mission in the Thieves Guild questline in The Elder Scrolls Online. This quest takes you deeper into the shady underworld of Daggerfall and Glenumbra, introducing more complex stealth mechanics, moral decisions, and guild politics.

This guide provides a clear, step-by-step walkthrough to help you complete the quest smoothly.

Guild Grows in Glenumbra – Step-by-Step Walkthrough

StepObjectiveLocation & Instructions
1Speak with QuenMeet Quen inside the Thieves Guild hideout in Daggerfall
2Travel to GlenumbraHead to the marked location near the docks in Glenumbra
3Talk to Percius and FaenListen to both NPCs to understand the job from different angles
4Steal the Mercantile LedgerSneak into the warehouse. The ledger is located on the second floor in the office area
5Choose Your AllyDecide whether to help Percius (more aggressive approach) or Faen (stealth-focused)
6Complete the Chosen TaskEither forge documents (Faen) or eliminate witnesses (Percius)
7Return to QuenReport back to Quen at the hideout to finish the quest

Important Choices & Tips

Guild Grows
  • Helping Faen: This path emphasizes stealth, lockpicking, and careful movement. It’s ideal for players who enjoy sneaking around.
  • Helping Percius: This route involves more direct action and combat. It suits players who prefer fighting their way through problems.

Your choice slightly affects how certain guild members view you in future quests, but it does not prevent you from completing the full Thieves Guild storyline.

Pro Tips:

  • Bring plenty of lockpicks — you’ll need them for several locked doors and containers.
  • Use stealth abilities (crouch often) to avoid detection by guards.
  • Pickpocketing NPCs while exploring Glenumbra helps raise your Thieves Guild reputation faster.
  • The quest is recommended for players around level 6–10.

Completing this quest advances the Thieves Guild storyline, rewards you with gold, experience, and guild reputation, and unlocks the next mission, “A Double Life.”

For more Elder Scrolls Online content, check our Full Thieves Guild Questline Guide and Best Stealth Builds in ESO on Technosports.

Learn more about the game on The Elder Scrolls Online (Wikipedia).

FAQs

Should I help Faen or Percius in Guild Grows in Glenumbra?

It’s mostly a roleplay choice. Faen’s path focuses on stealth, while Percius’s path involves more combat.

Is this quest required to progress the Thieves Guild storyline?

Yes. It is the second main quest in the Thieves Guild questline and must be completed.

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