Arpeggio Fault Password is a series of letters you encounter in certain stages within The Mystery of Arpeggio Fault in Zenless Zone Zero (ZZZ). See the password, code letter locations, and how to display the message here!

The Mystery of Arpeggio Fault Event
Fault Surface		Old Observatory		Outpost Beacon
Laboratory Ruins		Turbulent Corridor		Bangboo Password
Slumbering Land Quest			Where the Mystery Went Quest

Arpeggio Fault Pasword Locations

How to Get Arpeggio Password Letters

Letter	Where to Find
C	The first letter C can be found on the second floor of Area 1, Fault Surface - Shallows.
H	The second letter H can be found on the second floor of Area 3, Outpost Beacon - Prep Area.
E	The third letter E can be found on the fourth floor of Area 3, Outpost Beacon - Fault Floor.
S	Location Coming Soon!
S	The fifth letter S can be found on the third floor of Area 3, Outpost Beacon - Mid-Level.
B	The sixth letter B can be found on the second floor of Area 1, Fault Surface - Fault Floor.
O	The seventh letter O can be found on the third floor of Area 2, Old Observatory - Fault Floor.
A	The eighth letter A can be found on 88F-B in Area 5, Turbulent Corridor - Ether-Stable Area.
R	The ninth letter R can be found on the second floor of Area 2, Old Observatory - Prep Area.
D	The tenth letter D can be found on the third floor in Area 5, Turbulent Corridor - Fault Floor.

What is the Arpeggio Fault Password?

Collect Letters Near Clues Inside Arpreggio Fault

Collect the letters from a strange Bangboo on various floors in each stage in Arpeggio Fault. the strange Bangboo is well hidden most of the time, so make sure to explore each corner of each map to find it.

How to Display Arepggio Fault Code

Arpeggio Fault Password Guide

1. Have at Least 7 Starting Bombs
2. Go to Laboratory Ruins 99F-B
3. Open Chests in Laboratory Ruins 99F-B

Have at Least 7 Starting Bombs

Before heading out to view the secret message, you need to have at least 7 starting bombs from the Tech Tree. Randomize some of your Tech Buff nodes until you can start a run with 7 bombs.

Go to Laboratory Ruins 99F-B

The secret message is located in Laboratory Ruins 99F-B Area 4 stage in the in 99F-B - Ruin Depths. You must complete the Arpeggio Fault Follow-Up Investigation - Where the Mystery Went quest first to access this floor.

Where the Mystery Went Quest Guide

Open Chests in Laboratory Ruins 99F-B

To display the secret message, you must open chests in Laboratory Ruins 99F-B - Ruin Depths.

There is no particular order to follow when opening the chests since the secret message will still be displayed even if some of the chests forming the letters of the message disappear.

Arpeggio Code Lore Information

Password and Secret Message in Ruin Depths

The Arpeggio Fault Code can be seen in the Laboratory Ruins Area 4 stage in the in 99F-B - Ruin Depths. It will spell “CHESSBOARD THANKS SO MUCH FOR PLAYING OUR GAME ❤”.

Zenless Zone Zero Related Guides

The Mystery of Arpeggio Fault Event Guide

Arpeggio Fault Quests and Stages

Areas	Related Quests
Fault Surface	The Mystery of Arpeggio Fault: Special Investigation
Old Observatory	The Mystery of Arpeggio Fault: Unravelling
Outpost Beacon	The Mystery of Arpeggio Fault: Final Puzzle Piece
Laboratory Ruins (Floor 52-64)	The Mystery of Arpeggio Fault: Corruption Crisis
Turbulent Corridor (Floor 67-81)
Laboratory Ruins (94F-B & 99F-B)	Arpeggio Fault Follow-Up Investigation - Where the Mystery Went
Turbulent Corridor (87F-B & 88F-B)	Arpeggio Fault Follow-Up Investigation - Slumbering Land

Other Arpeggio Fault Guide

Other Event Guides
Password Locations and Arpeggio Fault Secret

Other Current and Upcoming Events

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