New Eridu City Fund
Last updated 2026-09-09
The New Eridu City Fund is a Battle Pass in Zenless Zone Zero. Players can complete various daily, weekly and Season Tasks in order to gain City Fund EXP.
Each of the 50 levels in the New Eridu City Fund requires 1,000 EXP. Upon reaching each level, players will unlock rewards depending on their Plan type (Basic Plan, Growth Plan, or Premium Plan). 
Polychrome ×150 can also be used to purchase level(s).
Event Details
Duration
- After version update, around 10:00:00 (GMT+8) — two days before the next version update, 03:59:59 (server time)
- Purchasing of the Growth Plan, Premium Plan, and Plan Upgrade for the current event will close at 02:59:59 (server time) of the cutoff day, therefore one hour before the event ends. Once purchasing is closed, Proxies may still complete Expansion Tasks and claim rewards. Please pay attention to purchase availability times and the event duration.
Requirements
- Unlock Combat Simulation in Main Story Chapter 1 "Cat's Lost & Found."
Overview
- At the start of each season of the New Eridu City Fund, the Basic Plan is automatically unlocked. Proxies can complete Expansion Tasks for experience and increase their Fund Level to obtain more rewards.
- Proxies who have already unlocked the "Growth Plan" can purchase the "Plan Upgrade" to upgrade to the "Premium Plan."
- After unlocking the Growth Plan or Premium Plan and reaching City Fund Level Lv. 30, Proxies can claim the Great Builder's Certificate. The Great Builder's Certificate is a time-limited reward for the current City Fund period and will not be retained for the next New Eridu City fund period. It will expire automatically if not used within the time limit.
Choose Rewards
From Version 2.5, upon opening the New Eridu City Fund, the player can choose to boost several of the reward items. There are a set of Base Rewards, from which the player can choose 3 to boost, and a set of Advanced Rewards, from which the player can select only 1 to boost. Depending on the items chosen to boost, the Basic Plan and Growth Plan reward tracks will change accordingly.
Base Rewards
The player can pick any 3 of the following to boost:
Advanced Rewards
The player can pick any 1 of the following to boost:
Changes
Depending on the items chosen, the reward track for each plan will change:
- Basic Plan:
- Levels 1, 6, 9, 11, 16, 19, 29, 39, 44, and 49 will change.
- Growth Plan:
- (TBA)
Event Runs
Plans
Basic Plan
The Basic Plan is free and unlocked by default. It awards the following items upon reaching their corresponding levels:
Growth Plan
The Growth Plan can be purchased for USD $9.99 and will unlock the "Growth Plan" tier for the current Fund Period. In addition to the Basic Plan rewards, it grants:
Note: Out of those additional rewards, only the limited Avatar and 680 of the Polychromes are given immediately. All other additional rewards, including the remaining Polychrome stash, are locked behind progression.
Premium Plan
The Premium Plan can be purchased for USD $21.99 (USD $19.99 First Premium Plan Purchase), or $11.99 (USD $9.99 First Premium Plan Purchase) if upgrading from the Growth Plan. The Premium Plan includes everything in the Growth Plan, as well as the following items:
- A limited Function Menu Theme
- A limited Function Menu Pendant
Note: All of the additional rewards of the Premium Plan are given immediately.
History
New Eridu City Fund has 19 occurrences:
| Image | Name | Start | End | Version |
|---|---|---|---|---|
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New Eridu City Fund | July 4, 2024 | August 11, 2024 | 1.0 |
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New Eridu City Fund | August 14, 2024 | September 23, 2024 | 1.1 |
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New Eridu City Fund | September 25, 2024 | November 4, 2024 | 1.2 |
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New Eridu City Fund | November 6, 2024 | December 16, 2024 | 1.3 |
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New Eridu City Fund | December 18, 2024 | January 20, 2025 | 1.4 |
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New Eridu City Fund | January 22, 2025 | March 10, 2025 | 1.5 |
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New Eridu City Fund | March 12, 2025 | April 21, 2025 | 1.6 |
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New Eridu City Fund | April 23, 2025 | June 2, 2025 | 1.7 |
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New Eridu City Fund | June 6, 2025 | July 14, 2025 | 2.0 |
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New Eridu City Fund | July 16, 2025 | September 1, 2025 | 2.1 |
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New Eridu City Fund | September 4, 2025 | October 13, 2025 | 2.2 |
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New Eridu City Fund | October 15, 2025 | November 24, 2025 | 2.3 |
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New Eridu City Fund | November 26, 2025 | December 29, 2025 | 2.4 |
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New Eridu City Fund | December 30, 2025 | February 2, 2026 | 2.5 |
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New Eridu City Fund | February 6, 2026 | March 23, 2026 | 2.6 |
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New Eridu City Fund | March 24, 2026 | May 4, 2026 | 2.7 |
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New Eridu City Fund | May 6, 2026 | June 14, 2026 | 2.8 |
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New Eridu City Fund | June 17, 2026 | July 28, 2026 | 3.0 |
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New Eridu City Fund | July 29, 2026 | September 7, 2026 | 3.1 |
Other Languages
| Language | Official Name |
|---|---|
| English | New Eridu City Fund |
| Chinese (Simplified) | 丽都城募 Lìdū Chéngmù |
| Chinese (Traditional) | 麗都城募 Lìdū Chéngmù |
| Japanese | エリーファンド Erī Fando |
| Korean | 리두 펀드 Ridu Peondeu |
| Spanish | Financiación de Nueva Eridu |
| French | Financement de Ridu |
| Russian | Фонд Риду Fond Ridu |
| Thai | New Eridu City Fund |
| Vietnamese | Ridu Chiêu Mộ |
| German | Ridu-Fonds |
| Indonesian | Dana Kota New Eridu |
| Portuguese | Fundos de Nova Eridu |
Change History
- Upon purchasing the Growth Plan, the player will now immediately receive
Polychrome ×680, instead of needing to reach level 50. - The unique Avatar was moved from the Premium Plan to the Growth Plan.
- The unique Namecard was moved from the Premium Plan to the Growth Plan, unlocking at level 10.
- The amount of Polychrome for the Premium Plan was increased from 200 to 208.
- The rewards were modified for certain levels:
- Basic Plan:
- Level 45: Tuning Calibrator ×1, was changed to Master Tape x1
- Level 50: Master Tape x1, was changed to Tuning Calibrator x1
- Growth Plan:
- Level 5: Polychrome ×100, was changed to Ether Battery x2, and Original Chip ×12 was changed to Original Chip ×18
- Level 10: Encrypted Master Tape ×1, was changed to Polychrome x160, and Original Chip ×12 was changed to the exclusive Namecard
- Level 15: Ether Battery ×3, was changed to Ether Battery ×2
- Level 20: Encrypted Master Tape ×1, was changed to Polychrome x160
- Level 25: Ether Battery ×3, was changed to Ether Battery ×2
- Level 30: Encrypted Master Tape ×1, was changed to Polychrome x160
- Level 40: Encrypted Master Tape ×1, was changed to Polychrome x160, and Original Chip ×45 was changed to W-Engine Microcontroller Unit x1
- Level 45: Hi-Fi Master Copy ×10, was changed to Polychrome x160
- Level 50: Polychrome ×680, was changed to Resonating Core x1
- Basic Plan:
- Adjusted maximum level from 50 to 60
- Each level beyond 50 provides
Denny ×20,000 (Basic Plan) and 
Hi-Fi Master Copy ×2 (Growth Plan).
- Each level beyond 50 provides
- New Eridu City Fund was released.