Zenless Zone Zero Disc Drive Farming Guide: Targeting Main Stats Efficiently
In Zenless Zone Zero, reaching Inter-Knot Level 40 is just the beginning. The real endgame is the pursuit of the perfect Disc Drives. These six pieces of gear determine whether your Ellen Joe deals massive critical hits or if your Anby can stun bosses in a single rotation.
However, the RNG (Random Number Generation) in ZZZ can be brutal. With variable main stats on slots 4, 5, and 6, wasting Battery Charge on the wrong stages can set your account back weeks. This guide will teach you how to farm efficiently, when to use the Bardic Needle's tuning system, and which stats to prioritize for every role.
Grinding Comfort:
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1. Anatomy of a Disc Drive
Before spending a single Battery Charge, you must understand the rules of Disc stats. Not all slots are created equal.
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Slots 1, 2, 3 (Fixed Stats):
- I: Flat HP
- II: Flat ATK
- III: Flat DEF
Strategy: Since these main stats are fixed, you only need to worry about the Sub-stats and the Set Bonus.
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Slots 4, 5, 6 (Variable Stats):
- IV: CRIT Rate, CRIT DMG, ATK%, HP%, DEF%, Anomaly Proficiency
- V: Elemental DMG Bonus (Fire/Ice/etc.), PEN Ratio, ATK%, HP%, DEF%
- VI: Anomaly Mastery, Energy Regen, Impact, ATK%, HP%, DEF%
Strategy: These are the "make or break" slots. Slot 6 is particularly difficult because Energy Regen and Impact are rare but essential.
2. Efficient Farming Strategy: HIA Club vs. Bardic Needle
You have two main ways to acquire S-Rank Disc Drives: Routine Cleanup (HIA Club) and Tuning (Bardic Needle Music Shop).
Routine Cleanup Strategy
Spend your Battery Charge here primarily to gather "Plating Agents" (XP materials) and base Disc Drives. Do not farm endlessly hoping for a specific Slot 6 drop. The odds are too low.
- Farm stages that drop two useful sets. For example, the stage dropping Woodpecker Electro (Crit) and Soul Rock (Defense) is efficient if you are building both a DPS and a Defender like Ben or Seth.
- Dismantle any B-Rank and A-Rank discs you don't need to generate materials for the Music Shop.
Bardic Needle Tuning Strategy (The Golden Rule)
The Music Shop is where you snipe specific slots. Use your Hi-Fi Master Tapes here.
- Unlock Level 2 Tuning: This allows you to guarantee a specific Partition (Slot).
- Target Slot 6 First: Use your tuning materials to target Slot 6 for Energy Regen (for Supports) or Impact (for Stunners). These are the hardest to find in the wild.
- Target Slot 5 Second: Target this for specific Elemental DMG bonuses (e.g., Ice DMG for Ellen).
- Target Slot 4 Last: While Crit is important, it is statistically more common than Energy Regen.
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3. Main Stat Targeting by Role
Not sure what to look for? Use this cheat sheet for your Agents.
| Role | Slot 4 | Slot 5 | Slot 6 | Best Sets |
|---|---|---|---|---|
| Attack (DPS) | CRIT Rate / DMG | Elemental DMG / ATK% | ATK% | Woodpecker Electro, Puffer Electro |
| Stun | CRIT / ATK% | Elemental DMG / ATK% | Impact | Shockstar Disco |
| Anomaly | Anomaly Proficiency | Elemental DMG / ATK% | Anomaly Mastery | Freedom Blues, Fanged Metal |
| Support | ATK% / HP% / DEF% | ATK% / HP% / DEF% | Energy Regen | Swing Jazz |
4. Sub-stat Rolling Guide
Once you have the right Main Stat, look at the sub-stats. A disc starts with 3 or 4 sub-stats. It gains an upgrade every 3 levels (+3, +6, +9, +12, +15).
- The "Double Crit" Holy Grail: For DPS units, a disc with both Crit Rate and Crit DMG as sub-stats is invaluable. Roll it to +3 immediately to see if it lands on Crit.
- Speed (PEN): PEN (Flat Penetration) is valuable, but usually less effective than Crit or ATK% unless you have very high stacking PEN Ratio.
- Stop Rolling Bad Discs: If you roll into DEF or HP twice on a DPS disc, stop. Use that disc as fodder to level up a new one. You retain 80% of the XP.
5. FAQ: Disc Drive Farming
When should I start farming Disc Drives?
Wait until Inter-Knot Level 35 to start farming casually, but save your "Battery Charge" refills (Ether Batteries) until Level 40 or 45. At Level 45, you are guaranteed double S-Rank drops, making it much more efficient.
Is Anomaly Mastery or Anomaly Proficiency better for Slot 6?
Anomaly Mastery is generally better for Slot 6 because it increases the rate at which you apply the status effect (buildup). Proficiency increases the damage of the proc. Since Mastery is only available on Slot 6, you should almost always prioritize it there.
Should I dismantle A-Rank Discs?
Yes, eventually. In the early game, A-Rank discs with good main stats are usable placeholders. Once you have a full S-Rank setup, dismantle all A-Ranks to get materials for tuning more S-Ranks.
Does Energy Regen stack?
Yes. Energy Regen from Slot 6 stacks with the 2-piece bonus from the Swing Jazz set. This is crucial for Supports like Soukaku or Nicole to keep their buffs active.
Conclusion
Farming Disc Drives is a marathon, not a sprint. By prioritizing Slot 6 Energy Regen and Impact via the Music Shop tuning system, and using your daily energy for general XP farming, you will build strong characters without burning out.
Remember, a perfect main stat is better than a perfect set bonus. Don't be afraid to run a "broken set" (rainbow pieces) if the stats are significantly better.
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