The Mystery of Arpeggio Fault Event Guide for Zenless Zone Zero

Head through the TV's, defeat the enemies, and pick up the various objects such as the Purple-Red Crimson Silk used to upgrade the Tech Tree outside of the game.

The first floor is very easy, just head straight in front of you and defeat the enemies, it is the tutorial floor.

The layout of the next floors seems to be randomised each time you enter a floor, but here are a few things you can look out for in the Prep Area:

• Pick up the bombs when you see some.
• Bombs can destroy any type of wall, but make sure to detonate them wisely, as they will be limited.
• Pick up any boxes, object, and most important the Crimson Silk and Keys.
• Use the keys wisely as well. They spawn randomly on each floor, and can open various doors.
• Look out for the Fruit Peeler Resonia, as it will allow you to open doors with 1 Gear coin instead of Keys.

You will be able to choose a support agent. At the start only Anby Demara is available. As you advance in your explorations, you will obtain more contribution points, and you will be able to take more agents with you.

Certain floors will also hide Lost items you can discover: in the Shallows floors you can have a chance to find a Dampened Ether Explosive. if you don't find it on the first run, you can re-run the floor multiple times.

In this floor, you can also find a strange Bangboo tile. It is located near the exit on the left. This Bangboo will give you the first letter: C. This will be part of a Password.

The mid-level doesn't hold any special item. Defeat the enemies and find as many items as you can.

During the Depths floors you can find a RIP TV. Be careful when you interact with those, as they can spawn activated bombs or enemies on random TV's.

This is the last Floor for the Fault Surface Area. You will have to defeat a mech, but worry not as Soldier 11 will come to help and join your squad.

Soldier 11's attack will not be affected by any boost found during exploration, and will not increase. We advise you let your squad members defeat the mech, as he does a lot of damage. Simply position yourself around the mech, and let the squad members do the damage.

On the next floor, pick up all the crimson silk, and talk to the researcher in the middle:

He will give you a Photo of the Turbulent Region. This another Lost item.

Before leaving make sure you uncover all the tiles, as a strange Bangboo is hidden on the right side: He will give you the 6th letter B this time!

Choose the Agent you want in your squad and head to the next floor. Pick up as many items as possible, especially keys, bombs, and Crimson Silk.

Make sure to have plenty of bombs, as you will encounter a lot of tiles you can explode in this area, that will reward you with more useful items.

In the last floor of the Observatory Prep Area, you will encounter an investigation tile. Make sure to take it, as it will reward you with another lost item: White Star institute Documents.

Make sure to explode all the tiles on the right side of the last floor as well, as a secret Bangboo is hiding there. It will give you the 9th letter R.

You will have a chance to encounter the sampling cart in the Observatory Shallows. You can pay him for Crimson Silk, or request supplies. You can only choose one, we advise you take the Crimson Silk if you have enough coins.

On also have a chance of running into a Strange Causality Modulator. If you have coins, it will create random events nearby. The cost will increase each time.

On this floor, you have a chance of finding a supply box. Three choices are possible:

• Increase your ATK
• Increase your HP
• Throw it away for a chance at a better chest next time you encounter the supply box

So far, throwing it away didn't feel very valuable, and this floor has enemies with a big amount of life, so we advise you increase your ATK if possible.

In the last floor of the Mid-level, you will find another lost item: Worn Tablet.

This floor you can encounter the Piggy Bank: you can deposit coins with a chance of getting Crimson Silk.

Talk to the anxious soldier on the last floor and choose to help him.

You will have to head to his left to look for the Lost item.

Go back to the Soldier to return the Lost item: Laboratory Map.

Before heading out of the Old Observatory Fault Floor, make sure to talk to the Strange Bangboo hidden right next to the exit. it will give you the Seventh letter: O.

The remaining areas work the same as the previous ones. You will encounter the same mechanics. We will specify when you have to look out for a Lost item, Strange Bangboo with a password letter, or anything out of the ordinary.

On the second floor, pick up the Lost Item: Deformed Metal Wreckage.

On top of the exit, on the right, a Strange Bangboo is hiding. Talk to him to get the second letter H.

The Outpost Beacon Shallows do not contain any special item or mechanic.

In the Mid-level you will have a chance to encounter a bigger YV; If you bump multiple times in a row into it, it will spawn various boosts and other helpful tiles.

On the third floor of the mid-level, interact with the Error Bangboo, and investigate the memory card to discover the Lost Item: Bangboo's Data memory Card.

You will also find a Strange Bangboo located on the right side. It will give you the Fifth Letter: S.

The Outpost Beacon Depths do not contain any special item or mechanic.

In the Fault floor, you will find some Ruins. You can enter to investigate, however be careful as it has a chance of spawning enemies, including bosses, but you also have a chance of getting various buffs.

On the last Floor, talk to the Resource Recycling Squad and interact with the Damaged Drone. This will give you the Lost item: Broken Drone.

After picking up the Lost item, you will be able to reveal the hidden Tile with the Strange Bangboo. It will give you the Third Letter: E.

The remaining areas work the same as the previous ones. You will encounter the same mechanics. We will specify when you have to look out for a Lost item, Strange Bangboo with a password letter, or anything out of the ordinary.

The only particular thing on this floor is that the tiles are invisible until you step on them, however, all the enemy and item tiles are visible, and the way is rather straightforward, making it easy to navigate through all the tiles.

The Laboratory Ruins Shallows do not contain any special item or mechanic.

The Laboratory Ruins Mid-Level do not contain any special item or mechanic.

The Laboratory Ruins Depths do not contain any special item or mechanic.

The Laboratory Ruins Fault Floor do not contain any special item or mechanic.

In order to first unlock this floor you need to complete the story mission "Arpeggio Fault Follow-up investigation: Where the Mystery Went" at Scott outpost, and finish exploring the stage "Turbulent Corridor: Fault Floor".

In this Floor, you will need the complete password: Chessboard.

After the password input, you will find the Lost item: Damaged Safe.

To unlock this floor you need to finish exploring the stage "Laboratory Ruins: Ruins".

This is the very last Board. You need 7 bombs when starting the floor in order to break open the secret path on the right. You will see a room full of destroyable crates. You need to carve the word CHESSBOARD. So destroy the proper crates.

In order to start with 7 bombs you need to pick multiple Explosive Supplies Tech in the tech tree.

Once you are done with carving the word Chessboard, you will see a message display from the Devs: THANKS SO MUCH FOR PLAYING OUR GAME.

Be aware that completing this will not give you any additional reward and no achievement either.

The remaining areas work the same as the previous ones. You will encounter the same mechanics. We will specify when you have to look out for a Lost item, Strange Bangboo with a password letter, or anything out of the ordinary.

In the Turbulent Corridor Prep Area, you have a chance to find a Strange Melee Weapon. You can try to pull it out, but be careful as it will consume HP with each try. The success rate depends on your ATK, so make sure to increase your attack before trying to pull out the Weapon.

If you succeed in pulling out the weapon, you receive ATK +10 for all squad members, and CRIT Rate +50% for all Squad Members.

The Turbulent Corridor Shallows do not contain any special item or mechanic.

The Turbulent Corridor Mid Level do not contain any special item or mechanic.

The Turbulent Corridor Depths do not contain any special item or mechanic.

In the last area of the Fault floor, you will find the Lost item: Intact Data Memory Card. it should be located near the exit.

You will also find near the lost item and the exit, a hidden tile with a Strange Bangboo. it will give you the Tenth Letter: D.

The Turbulent Corridor Broken Steps do not contain any special item or mechanic.

On this floor, you will see a RIP tile, interact with it to find the Lost item: Photo of a Young Girl.

Make sure to also explode the tiles on top to reveal the hidden Strange Bangboo top right. It will give you the Eighth Letter: A.