Genshin Impact: A Brief History of Rocks Quest Guide (Atocpan 5.5)
Quest Overview
A Brief History of Rocks is a world quest in Atocpan (Natlan) where players help Mposo clear volcanic debris after an eruption. Completing it rewards a Precious Chest that may contain Sunset-Blue Obsidian Fragments.
⚠️ Warning: Atocpan's volcano erupts randomly—watch for falling lava!
How to Start the Quest
1.Teleport to Remnants of Tetenanco waypoint.
2.Head east to find Mposo on a small platform.
3.Speak to him to begin the quest.
Key Details:
Mposo needs help clearing volcanic rocks.
A sealed barrier nearby holds a Precious Chest (potential fragment source).
Quest Walkthrough
Step 1: Destroy Rocks & Find Golden Seals
Transform into a Tatankasaurus (use nearby saurian altars).
Smash all rocks in the area to uncover 3 golden seals.
One seal is guarded by an enemy near the lava pond.
Step 2: Defeat the Fluid Avatar of Lava
Interacting with the guarded seal spawns the Fluid Avatar of Lava boss.
Recommended Team: Hydro/Dendro characters for quick clears.
Step 3: Unlock the Barrier
After defeating the boss, collect all 4 seals to open the barrier.
Claim the Precious Chest and speak to Mposo to complete the quest.
Rewards
Precious Chest (may contain):
Sunset-Blue Obsidian Fragment
- Primogems ×40
- Hero's Wit ×3
- Mora ×20,000
Tips & Tricks
🔹 Use Tatankasaurus form—it breaks rocks faster.
🔹 Watch for eruptions—lava deals continuous damage.
🔹 Check the chest for a chance at Obsidian Fragments (needed for tribe barriers).
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