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Celeste Frozen Trail Quest guide

Ruins And Reverberations

Pendola Pass. 3 objectives, all in one round. Unlocked by Wires Crossed. Every objective in order, with screenshots from the game and the exact spots from the game files.

XP5,000
Objectives3
MapPendola Pass
Open map3 Quest tree

Walkthrough

In one round. Do every objective in the same raid: progress resets if you extract or die.

  1. 1

    Connect a Spotter Relay to the antenna on the roof of the Cielo Sereno Observatory

    The Pendola Pass map with the Cielo Sereno Observatory tooltip open: Loot value high, Technological, Exodus
    The Cielo Sereno Observatory on the Pendola Pass map. The antenna is on its roof.Screenshot: TroubleChute Basics
    A raider on the snowy observatory roof at the antenna mast, with the prompt ATTACH ARC PART and 1/1 Spotter Relay
    On the roof, use the antenna mast: ATTACH ARC PART uses the Spotter Relay you brought.Screenshot: TroubleChute Basics
  2. 2

    Weld the wires in the crawlspace under the control room to redirect power

    A raider standing by an open hatch in the snow-covered observatory roof
    Drop back in through the opening in the roof to reach the crawlspace below.Screenshot: TroubleChute Basics
    A raider in a dark crawlspace among pipes, facing a yellow box on the wall with a WELD prompt
    In the crawlspace, use the yellow box on the wall: WELD needs no item.Screenshot: TroubleChute Basics
  3. 3

    Activate the Spotter Relay at the antenna again

    A raider back on the roof at the antenna mast with the attached relay, and the prompt ACTIVATE ARC PART
    Climb back up to the roof and use the antenna again: ACTIVATE ARC PART.Screenshot: TroubleChute Basics
    The Pendola Pass map with the Ruins and Reverberations quest panel: In one round, all three objectives checked, and the Cielo Sereno Observatory marked on the map
    All three objectives checked. They must be done in one round.Screenshot: TroubleChute Basics

In-game screenshots and tips from TroubleChute Basics's walkthrough on YouTube, recorded October 2026. Thanks to TroubleChute Basics for the footage.

Where to go

From the game files
Ruins And Reverberations quest locations on the Pendola Pass map 3 locationsPendola Pass Open interactive map

Quest chain

Full quest tree
23
Before this · CelesteWires CrossedThis questRuins And ReverberationsUnlocks · Nomadic EnvoysDivided

FAQ

How do you unlock Ruins And Reverberations in ARC Raiders?

Finish Wires Crossed for Celeste; then Celeste offers Ruins And Reverberations.

What are the rewards for Ruins And Reverberations?

5,000 XP, Looting Mk. 3 (Safekeeper), 2× Smoke Grenade, 2× Speaker Component, 3× Electrical Components.

Where is Ruins And Reverberations in ARC Raiders?

On Pendola Pass. The guide's map shows every quest location from the game files.