Guide to the Arpeggio Fault mystery and rewards in ZZZ

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The Mystery of Arpeggio Fault is one such event Zenless Zone Zero's update 1.3. It tasks players with helping the defense forces of New Erid establish a base in the titular Arpeggio Rift in hopes of securing a route to the old capital. There's a nice bit of worldbuilding, but if you're looking to get more stuff on your account, then it's a good place to start.




Events are generally great sources of polychromes ZZZ. They don't take long to complete and are often quite fun too. The Mystery of Arpeggio Fault offers plenty of polychromes, but players will have to see to the end if they want to get all the rewards.


Mystery of Arpeggio Fault – Objectives and Gameplay

Encounter screen in the Arpeggio Fault ZZZ event

Head to Scott Outpost and talk to Roland to start this event. The goal of every Arpeggio Fault expedition is reach the exit hidden inside each map. Here, the fight is conducted entirely through the television monitor – you will not take anything of your own with you ZZZ characters and instead go with the Bangboo group led by Soldier 11. There are five areas in totaland each has multiple floors to explore.


As you explore, you will come across Ethereals who will block your way. All you have to do is bump into them. Both you and the enemy deal and take damage based on your attack stats, but if your attack is higher than the enemies you will be unharmed.

Floor selection screen in the Arpeggio Fault ZZZ event

The further you progress, the tougher the enemies will be. Back to Scott Outpost, you can upgrade your team by spending Crimson Silk buy perks from the Tech Tree. In addition, your team will level up as they earn XP during the expedition. For leveling, you get bonuses based on the sub-strategies you choose before you even enter the floor.

Players can speed up levels by making a beeline to the exit. Doing so may block them from receiving challenge rewards. If you're not in a hurry, take your time to explore each part of the level to find some additional resources and polychromes.


Mystery of Arpeggio Fault Event Rewards

Getting a Knightboo in ZZZ

Each completed floor will reward you with upgrade material and a bunch of polychromes. There's also the usual series of event challenges that reward even more polychromes and materials, so complete them as you go through the Arpeggio bug.

Maybe the most an important reward from this event is Knightbooa support-oriented Bangboo A-Rank that regenerates energy and deals Ether DMG with its Chain Attack. It won't usurp the likes of Rocketboo or Amillion in terms of damage, but it can be an excellent alternative for players who don't have Butlerboo to sustain their team. You can get Knightboo by completing the first event area, and you can get copies of it by completing the rest.


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