Assembly Commission: Return to Ridu

This content is no longer available.

This page contains information about a past event that may or may not return in a future version.

Assembly Commission: Return to Ridu is an Event in Version 2.5.

Event Details

Duration

• After the Version 2.5 "To Be Fuel for the Night" release on 2025/12/30 – 2026/02/06 05:59:59 (UTC+8)
• The rewards cannot be claimed after the event is over.

Event Details

• Zenless Zone Zero "Assembly Commission: Return to Ridu" web event for Version 2.5 is now live. Participate to earn up to Polychrome ×740 and other great rewards!
• Invite your friends to return to New Eridu and complete the Assembly Commission challenges to earn up to Polychrome ×740.
• Join the lucky draw on the webpage for a chance to win a PS5, figures, merch, and tons of Polychrome!
• The event webpage "Assembly Commission: Return to Ridu" will close on 2026/2/6 05:59:59 (UTC+8). Proxies, please participate in the event before it ends.
• Active Proxies can earn up to Polychrome ×740 by participating in the event.
• Returning and Inactive Proxies can earn up to Polychrome ×800 by participating in the event and linking an invitation code.

Event Rewards

• PlayStation®5 Pro
• Nekomiya Mana 1/7 Scale Figure
• Sixth Street Series: Building Blocks Set (Random)
• Plush Keychain Surprise Box

How are Returning and Inactive Proxies determined in this event?

1. Returning Proxy:
   1. Proxies who have returned to the game after being offline for ≥14 consecutive days.
   2. Proxies who activated the "Back in Business" event in-game and the event is currently active.
2. Inactive Proxies:
   1. Proxies who have been offline for 14 consecutive days or more, have logged into the "Assembly Commission: Return to Ridu" event page, but have not yet returned to the game.

• If a Proxy has previously activated the "Back in Business" event in-game, they must wait for ≥40 days from their last activation before it can be triggered again.
• During the "Assembly Commission: Return to Ridu" event, even if a Proxy activates their Returning Proxy status multiple times, they can only link one invitation code, and the event page data will be retained.

Missions

Invite Mission

• Invite friends to link your invitation code and return to the game to claim rewards

Mission	Reward
1 Returning Proxy invited	Polychrome 100 , 1x Tickets
2 Returning Proxies invited	Polychrome 70 , 1x Tickets
3 Returning Proxies invited	Polychrome 70 , 1x Tickets
4 Returning Proxies invited	Polychrome 70 , 1x Tickets
5 Returning Proxies invited	Polychrome 70 , 1x Tickets
Share event link	Polychrome 30

Return Mission

• The friend you invited has completed daily missions in-game and has claimed the 400 daily engagement rewards.

Mission	Reward
3 days in total 400 Engagement Points	Polychrome 30
5 days in total 400 Engagement Points	2x Tickets
7 days in total 400 Engagement Points	Polychrome 40
In-Game Limited-Time Channel Signal Search ×20	Polychrome 30

• Only 4 friends can be invited for the return mission.

Lucky Prize Rules

Rules

1. After Version 2.5 launches, share your exclusive invite code and invite friends to link the code and return to the game. Complete the "Invitation Missions" and "Return Missions" to earn draw chances. During the event, you can earn up to 13 draw chances.
2. Each draw will consume 1 draw chance.
3. Successfully inviting a Proxy to link the invitation code and return to the game will unlock additional luxury rewards.

What can I win in the Lucky Prize?

1. In-Game Rewards

Rewards	Win Rate
Polychrome 300	500 winners total, each UID can only win once.
Polychrome 20	10%
Official Investigator Log 2	19%
W-Engine Power Supply 2	19%
Bangboo Algorithm Module 2	19%
Denny 1,888	30%

2. In-Game Rewards

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