Welcome to NGB and our walkthrough for the Unnatural Tremors quest in Octopath Traveler 0. Our walkthrough will show you how to start the quest, complete the objectives, and receive the rewards.
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Unnatural Tremors Guide
Unnatural Tremors Overview
- Location: Highlands Region – Berecain
- Recommended Level: 45
How to Start the Unnatural Tremors Quest
To begin the Unnatural Tremors quest in Octopath Traveler 0, speak with the person south of the church in Berecain after completing the Bestower of Fame: Ch. 3 – Ceraphina the Charitable quest.

Unnatural Tremors Walkthrough
The frequent earthquakes occurring in Berecain have one man anxious and uneasy. Perhaps tracking down the cause will put his mind at ease.
Search for a geologist in Atlasdam

To find a geologist, travel to Atlasdam in the Flatlands Region. Once there, use the Recruit Path Action on the Entusiastic Geologist outside the library at Atlasdam Palace Gate. With the geologist in tow, return to Berecain and speak with the quest giver.
Defeat the monster responsible for the tremors

Next, travel to the Sweltering Cave just outside Berecain. When you arrive, head to the northwestern corner of the cave to find the Ruler of the Sands.

| Enemy | Shields | Vulnerabilities |
|---|---|---|
| Ruler of the Sands | 20 | Polearm, Axe, Fan, Wind, Light |
Return to Berecain
After you defeat the enemy, return to Berecain and speak with the quest giver. As a token of his appreciation, you’ll receive 25,000 leaves and the Amulet of Granatt. Afterwards, the quest will complete.
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