Echoes of Then Mission Guide
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Echoes of Then is one of the subquest of Laevatain Operator Mission found in Valley IV in Arknights: Endfield 1.0. See how to unlock Laevatain's Operator Mission, a full walkthrough, and all mission rewards in this guide!
How to Unlock Echoes of Then
Complete Cradle of Ages
Complete Cradle of Ages Mission in order to unlock Laevatain Operator Mission's first subquest, Echoes of Then!
Cradle of Ages Main Mission Guide
Echoes of Then Walkthrough
Inspect the Protocol Singularity
Touch the Protocol Singularity in the OMV Dijiang. Upon touching the Protocol Singularity, you'll be teleported to a snowy field. This is where the majority of the quest occurs!
Travel with Laevatain and Defeat Enemies
Within the snowy field, Laevatain will appear and assist you in getting out. Along the road of your travels, enemies will appear. Defeat them to progress through the quest.
Search for Memories Together
Upon defeating the enemies, Laevatain will help search for your hidden memories. Find 4 memories in order to progress.
Memories' Location
| Memories' Location | |
|---|---|
| 1 |  Go straight ahead through the entrance of the tunnel and you will immediately see the first memory. |
| 2 |  From the previous memory, turn back and then turn right to arrive to the next memory. The second memory is surrounded by flames and enemies. |
| 3 |  From the memory 2, take a double right and you'll see a three sword structure where the next memory lies. |
| 4 |  From the memory 3, turn right and either turn left or straight ahead, you'll reach the memory 4 either way. |
Scan the Surrounding Area to See the Path
Scan the surrounding area and follow the yellow line that leads to a hidden entrance. The entrance will lead to a battlefield with frozen structures.
Defeat the Summoned Enemies
Upon arriving in the battlefield, Laevatain's Other Half will appear and summon enemies. There is a total of 5 enemies that will be summoned. Defeat them to progress through the story and once defeated, a short dialogue with Laevatain will occur and you'll be summoned back to OMV Dijiang to conclude the quest.
Echoes of Then Quest Rewards
Total Item Rewards
| Total Quest Rewards |
 T-Creds x4250 |
 Protoprism x1 |
|---|---|---|
Echoes of Then Quest Information
Echoes of Then Quest Details
| Mission Type | Operator Side Mission |
|---|---|
| Quest Line | Let The Fire Consume the Ashen Past |
| Chapter | Laevatain - Act 1 |
| Location | OMV Dijiang, Control Nexus |
Echoes of Then is the first subquest for Laevatain's Operation Mission that's located in OMV Dijiang and will unlock after completing Cradle of Ages.
Arknights: Endfield Related Guides
List of All Operator Missions
| All Operator Missions | ||
|---|---|---|
| Lone Wolf | Let The Fire Consume the Ashen Past | Love, Scream, and the Prototype |
| Letter From a Messenger | Echoes of Then | Stray Silhouettes |
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