Chaos Jazz

Chaos Jazz

Drive Discs
2-Pc

Anomaly Proficiency +30

4-Pc

Fire DMG and Electric DMG increases by 15%. While off-field, EX Special Attack and Assist Attack DMG increases by 20%. When switching on-field, this buff continues for 5s, and this continuation effect can trigger once every 7.5s.

Where to farm
Routine Cleanup (VR Device / Combat Simulation); increase drop rate via Tuning Orientation at Bardic Needle, Sixth Street
Characters who should use this set

4-Pc (main set)

2-Pc (secondary set)

How to read this Drive Disc page

The 2-piece effect unlocks once you equip 2 discs from the same set (usually a base stat buff); the 4-piece effect unlocks with 4 discs from the same set (usually stronger, with its own trigger condition — read the exact text above before committing). Since every agent only has 6 disc slots total, you always pick one of two splits: three different 2-piece sets, or one main 4-piece set plus one secondary 2-piece set.

The "who should use this" list below is pulled live from each character's build data: it shows whether this set is used as the 4-piece main pick or the 2-piece secondary pick, plus which other set it's paired with — so the list updates automatically whenever the meta does, it isn't hand-picked. The main stat on the first 3 slots (HP/ATK/DEF) is always fixed no matter the set; only slots 4-5-6 are yours to choose based on role (Crit Rate/Crit DMG for standard DPS, Anomaly Proficiency for Anomaly teams, Impact for Stun-role agents). See the full 6-slot mechanic and the complete set table on the Drive Discs page, or check terms in the ZZZ Glossary.

This is the detail page for ONE specific Drive Disc set: the verbatim 2-piece/4-piece effect text, a live list of characters who should use it pulled from real build data, and the fastest farm route already sit above. What follows fills in what most other set-detail pages skip: how to exchange straight for this set at the Bardic Needle shop instead of waiting on random drops, an exact sub-stat roll table by tier, which rarity is actually worth maxing out, how to weigh this set's 4-piece against a rival set's 2-piece without just eyeballing the printed percentages, and how to read the fine print in the 4-piece effect text above so you know how strong the set really is mid-fight, not just on paper.

Exchange this set directly at Bardic Needle — skip the random-drop grind

Beyond waiting on a random drop from Routine Cleanup, the set on this page can also be exchanged directly at the Bardic Needle shop using Plating Agents — you can't hand-pick every set this way, but at least it isn't blind grinding. Plating Agents come in the same rarity tiers as discs: B-tier drops straight from the same Routine Cleanup stage that drops this set, while A- and S-tier build up much slower — mainly from Rally Commissions, disassembling (scrapping) spare discs you don't need, and the seasonal City Fund reward track.

Since Plating Agents accumulate over time regardless of which stage you're farming, the efficient approach is running Routine Cleanup for direct drops while banking whatever Plating Agents you collect for whichever set or slot you're actually missing at the shop — the two sources complement each other rather than compete.

Exact sub-stat roll table — S-rank (reference, single source, not fully cross-verified)

The table below is the gain PER upgrade roll (not the total), for an S-rank disc, based on Korean community reporting — a single source, NOT yet cross-verified against official game data, so treat it as a relative reference rather than an exact match to your own rolls:

Sub-statPer roll (S-rank)
CRIT Rate+2.4%
CRIT DMG+4.8%
ATK%+3%
DEF%+4.8%
HP%+3%
ATK (flat)+19
DEF (flat)+15
HP (flat)+112
PEN+9
Anomaly Proficiency+9

One note on the last row: the original source labeled it 'Anomaly Mastery,' but cross-checked against the sub-stats that actually exist on discs in-game, this is really Anomaly Proficiency — the two names are notoriously easy to mix up across languages, see the ZZZ Glossary for the full breakdown. B- and A-rank discs roll within a similar range but at lower values — no confirmed exact table for those two tiers yet.

How far is worth maxing — which rarity earns the full upgrade

Only an S-rank disc reaches the full +15 cap — the same threshold GameVika's own disc-scoring page uses as the 'graduated' mark, where a disc is good enough to stop swapping. B- and A-rank discs cap out well below that, so long-term, serious upgrade materials are only worth pouring into S-rank pieces; treat any B/A drop as a placeholder, or scrap it back into Plating Agents for something more useful instead of forcing it to full level.

Quick checkpoint at +9: if both rolls so far landed on the stats you actually want (say, CRIT Rate/CRIT DMG for a crit DPS), it's worth pushing on to +15. If most rolls went the wrong direction, stop at +9 and redirect materials to a disc that deserves it more instead of forcing a full set.

This set's 4-piece vs another set's 2-piece — don't just compare printed percentages

If a rival set's 2-piece effect adds a flat, fixed number, while this page's 4-piece effect stacks in LAYERS (a percentage per layer, sometimes counted separately per attack type, sometimes capped at a max stack count), resist the urge to compare the printed percentage at max stacks directly. Ask three questions before deciding which set is actually 'stronger':

  • In a real combo or rotation, how many layers do you realistically hold on average — not the theoretical max you'd only hit with a flawless, uninterrupted string of hits?
  • Does the buff RESET when you swap characters mid-combo, or when your attack rhythm breaks (dodging, getting knocked around, waiting on cooldowns)?
  • Does the 4-piece effect require a specific condition (landing a crit, a specific attack type) that your team's playstyle can't reliably hit?

A 4-piece set that looks strong on paper but can't hold its layers in a real fight can absolutely lose out to a lower flat 2-piece bonus that's simply always active — this is exactly why communities across languages still argue over which set is 'actually better' even when both percentages are printed in black and white.

Read the fine print in the 4-piece effect text above

A few phrases in the 4-piece effect box above this section get skimmed past but completely change its real combat value — read them carefully before judging the set:

  • 'Calculated separately per skill': the buff from Basic Attacks, Dodge Counters, and EX Special Attacks stacks INDEPENDENTLY, not off one shared counter — meaning alternating between attack types can hold more total layers than you'd expect from spamming just one.
  • 'Up to N stacks': a hard cap for that specific layer type — landing more triggers past the cap refreshes the duration but adds nothing further.
  • Duration measured in seconds: it always resets from the most recent qualifying hit (usually a crit), not fixed for the whole combo — standing idle or missing the trigger condition past that window drops the layer, and that's not a display bug.

Get these three right before comparing which set is 'stronger' just by eyeballing the percentage.

FAQ

Should I push a B- or A-rank disc to +15 like an S-rank one?

Not worth it long-term — only S-rank discs reach the full +15 cap; B and A cap out well below that. Treat any B/A drop as a placeholder, or scrap it into Plating Agents for something more useful instead of forcing it up to full level.

Is there a way to get this exact set without waiting on random drops?

Yes. The Bardic Needle shop exchanges Plating Agents directly for discs. B-tier Plating Agents drop straight from the Routine Cleanup stage that drops this set; A- and S-tier build up slower through Rally Commissions, scrapping spare discs, and the seasonal City Fund track.

Is the sub-stat roll table on this page fully reliable?

It comes from a single Korean community source, not yet cross-verified against official game data. Treat it as a relative reference for which stats roll higher or lower than others, not an exact match guaranteed for your own rolls.

This set's 4-piece number looks lower than a rival 2-piece bonus — is it still worth using?

Don't compare the printed max-stack percentage directly. Check whether the 4-piece buff resets when your combo breaks, and how many layers you realistically hold in a real fight versus the theoretical max. A lower, always-active 2-piece flat bonus can beat a 4-piece set that looks stronger on paper but can't hold its stacks.

Why does my 4-piece buff keep dropping even though I'm attacking constantly?

Most stacking effects count duration in seconds from the most recent qualifying hit of the specific trigger type. Standing idle, swapping characters, or missing the trigger condition past that window drops the stack — that's the intended mechanic, not a bug.

Can Plating Agents be used to exchange for other disc sets too, or only this one?

Yes. Plating Agents are the Bardic Needle shop's general currency, usable across many different sets rather than locked to one — bank them up and prioritize whichever set or slot you're actually missing, instead of spending them on the first set you see.

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