How to Get The Killer Is Not From This Game Achievement
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The Killer Is Not From This Game is a hidden achievement that can be unlocked by helping Periphas discover what happened to his friends through a hidden mission in Honkai: Star Rail. See how to get it and its rewards for completion!
List of Contents
How to Get The Killer Is Not From This Game
Talk to Periphas in Murmuring Woods
To get the The Killer Is Not From This Game hidden achievement, you need to start the Unnatural Death hidden mission by talking to Periphas at Murmuring Woods Grove of Epiphany F1.
You'll need to finish the Light Slips the Gate, Shadow Greets the Throne Trailblaze Mission for Periphas to show up along the path north of the Woving Trail Space Anchor.
Find Clues in the Grove
Periphas will ask you to help in investigating what happened to his friends Nicomachus, Andreas, and Clio. He'll hand over some of their important belongings, which could be helpful in sensing what happened to them as you explore the Grove.
Investigate the Memory of Nicomachus
Teleport to the Serene Court of Learning Space Anchor and activate the nearby Fragment of Recollection to view the last moments of Nicomachus. After viewing the memory, you'll be teleported to Murmuring Woods F2 and receive Nicomachus' Work Permit.
Investigate the Memory of Andreas
At the next location, continue heading north and you'll eventually spot another Fragment of Recollection. Activate it to view the last memory of Andreas and get Andreas' Work Permit.
Investigate the Memory of Clio
You'll be teleported again to another location. Continue northwards along the branch pathway and you'll find the next Fragment of Recollection on your right. Be careful of the enemies nearby. After witnessing Clio's last moments, you'll be teleported again and get Clio's Work Permit.
Investigate the Memory of the Flame Reaver
At Murmuring Woods F4, there'll be one last Fragment of Recollection. Interact with the Memory of the Flame Reaver to conclude your investigation.
Submit the Clues to Periphas
Return to Periphas at Murmuring Woods F1 and submit the clues you've collected during your investigation. After discussing your findings with him, the quest will end and you'll unlock the achievement!
The Killer Is Not From This Game Rewards
Unnatural Death Mission Rewards
| Mission Rewards | ||
|---|---|---|
 Stellar Jade
x10 |
 Condensed Aether
x2 |
 Credit
x5000 |
Completing the Unnatural Death hidden mission will earn you the rewards above!
Get Memory Crystal Shards
You'll also receive 2 Memory Crystal Shards from completing the hidden mission. These can be used to exchange for special items at the Janus' Steed shop or to purchase hints on Creation Nymph locations!
How to Get and Use Memory Crystal Shards
Get the Achievement
| Achievement & How to Get | Reward |
|---|---|
 The Killer Is Not From This Game
(Hidden)Help Periphas discover what happened to his friends |
x5 |
After helping Periphas discover what happened to his friends, you'll be rewarded with The Killer Is Not From This Game Achievement! For other Hidden Missions, check the guide below.
Honkai: Star Rail Related Guides
All Missions and Mission Types
All Hidden Mission Guides
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