Check out this Zenless Zone Zero guide for the best teams and build on Vivian, including her Drive Discs, W-Engine, and skill order!
So you rolled Vivian Banshee in Zenless Zone Zero, but you're unsure what to do next. Check out this Vivian build guide for her best Drive Discs, W-Engine, skill order, and teams in ZZZ.
ZZZ Vivian build guide
To maximize this build, you're gonna need to have optimal rotations to make full use of Vivian's potential. Read up on her kit to understand how her stacks function.

The effects of her Core Skill are strongest when an enemy is suffering from an Ether Anomaly. Also, make sure to regularly use EX Special Attack to maximize the buffs from Phaethon's Melody.
Vivian's Core and Basic is of utmost importance
A significant percentage of Vivian's damage comes from her Core Skill. Thus, you should prioritize farming for maxing out her Core Skill to F. Next, you should pour resources into leveling her Basic Attack. Then the rest of her kit can be deprioritized.

In summary, level up her kit in this order:
- Core Skill
- Basic Attack
- Everything else
Best Drive Disc build for Vivian
You want to have Phaethon's Melody as your four-piece and Freedom Blues or Chaos Jazz to fill the remaining slots. Having this setup grants the following buffs:
- Chaos Jazz / Freedom Blues
- 2-Pieces: Anomaly Proficiency +30
- Phaethon's Melody
- 2-Pieces: Anomaly Mastery +8%.
- 4-Pieces: When any squad member uses an EX Special Attack, the equipper's Anomaly Proficiency increases by 45 for 8s. If the character using the EX Special Attack is not the equipper, the equipper's Ether DMG is increased by 25%.

For stats, aim for the following:
Main Stats:
- Disc 4: Anomaly Proficiency
- Disc 5: Ether DMG%
- Disc 6: Anomaly Mastery
Substats, in order:
- Anomaly Proficiency
- ATK% / ATK
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Best W-Engines for Vivian
Needless to say, her Signature W-Engine Flight of Fancy is her best-in-slot. It gives her Anomaly Proficiency and boosts her Anomaly Buildup Rate, making it hard to replace since Vivian values both of these stats by a lot. You also get the added bonus of getting the fancy glows that further accentuate Vivian's design!

If it's not available, the A-Rank W-Engines Electro-Lip Gloss and Weeping Gemini are both great choices, especially at max Overclock.
Best Vivian teams
Vivian's kit positions her as an off-field character, and the Phaethon's Melody drive disc set even encourages party members to use their EX Special Attacks. She is also considerably stronger with allies who can inflict Attribute Anomalies since this applies the Abloom effect from her Core Skill.
That means she has great synergy with most Anomaly units in the game. Jane Doe, Miyabi, Burnice, Tsukishiro Yanagi, and even Piper are all viable choices for Vivian.

The general party composition also requires a support, which the ubiquitous Astra Yao can occupy. In her absence, you can instead put a second Anomaly unit or a more accessible support Agent like Nicole.
Robin is the best Bangboo choice, especially since it only requires one Mockingbird member to activate its Additional Ability. It also deals Ether DMG, helping Vivian build up that Anomaly on the enemies. Other choices include Snap and whichever Bangboo works well with your second Anomaly Agent.
Having an optimal build on Vivian in ZZZ is crucial, but the fun you have while playing as her and executing her floaty combos is just as important!