Construction Ruins: Frontline | Zenless Zone Zero

Zenless Zone Zero – Construction Ruins

Construction Ruins is the third accessible zone in Hollow Zero. Learn how to unlock Construction Ruins, details for each stage, the best characters, and all its rewards!

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How to Unlock Construction Ruins

Finish Chapter 2, Old Capital Metro Edge, and Street Lost to Memory

• Steps to Unlock:
  1. Complete Chapter 2.
  2. Clear Old Capital Metro: Edge.
  3. Complete the Street Lost to Memory commission.
  4. Talk to Ray at Scott Outpost to officially unlock the Construction Ruins.

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Construction Ruins Stage Info

Construction Ruins Stages:

• Frontline
• Interior
• Heartland
• Core

Frontline Details and Walkthrough

Stage Info:

• Rec. Level: Level 30
• Best Elements: Ether, Electric
• Elements to Avoid: Physical, Fire

Best Characters:

• Attack: Anton
• Stun: Anby
• Support: Nicole, Rina
• Anomaly: Grace

Enemies:

• Floor 1:
  • Autonomous Support Unit – Guardian MK II
• Floor 2:
  • Unknown Corruption Complex

Floor 1 Walkthrough

1. Free Resonium: Start with a [Research] Resource Conversion and a random set of Resonium. This increases your damage for each 100 Gear Coins spent.
2. The Opportunist: Offers to lend Gear Coins. Borrowing comes with positive and negative effects.
3. Linear Path: Follow the path to the right, defeat enemies, collect Gear Coins, and obtain an Artifice Resonium (optional).
4. Three-Path Area: Navigate paths carefully; moving to one tile makes another inaccessible.
5. First Boss: Defeat Guardian MK II to proceed.

Floor 2 Walkthrough

1. Borrow More Coins: Meet The Opportunist again; borrow more Gear Coins or ignore.
2. Claim Rewards: Collect rewards, especially if you finished the first floor with an S grade.
3. Disappearing Tiles: Similar to Floor 1, navigate carefully as paths disappear.
4. Second Boss: Defeat Unknown Corruption Complex to complete the stage.

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Interior Details and Walkthrough

Stage Info:

• Rec. Level: Level 35-40
• Best Elements: Ether, Electric
• Elements to Avoid: Physical, Fire

Best Characters:

• Attack: Anton, Zhu Yuan
• Stun: Anby
• Support: Nicole, Rina
• Anomaly: Grace

Enemies:

• Floor 1:
  • Autonomous Support Unit – Guardian MK II
• Floor 2:
  • Greta – Overclocked
• Floor 3:
  • Unknown Corruption Complex

Floor 1 Walkthrough

1. Research Resonium: Increase party damage with Resource Conversion Resonium.
2. The Opportunist: Offers Gear Coins; borrowing comes with both benefits and obligations.
3. Three-Row Path: Navigate carefully as rows or columns disappear based on movement.
4. Shop: Spend Gear Coins for value out of the Research Resonium.
5. First Boss: Defeat two Guardian MK II to proceed.

Floor 2 Walkthrough

1. The Opportunist: More offers; choose wisely.
2. First Area Reward: Collect rewards before proceeding.
3. Second Area: Similar to Floor 1; navigate carefully.
4. Second Boss: Defeat Greta – Overclocked to proceed.

Floor 3 Walkthrough

1. The Opportunist: Same as Floor 2; avoid borrowing Gear Coins at this point.
2. First Area: Collect rewards and items.
3. Second Area: Navigate the 5-row layout carefully.
4. Final Boss: Defeat Unknown Corruption Complex to complete the stage.

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Recommended Resonia

Use Electric and Ether Resonia:

• Best Resonia Effects:
  • Amplification Bracelet: Agents with Zap deal 25% more Electric DMG.
  • Conductive Coil: Dealing Electric DMG grants all squad members 1 stack of Zap.
  • Electric Baton: Inflicting Shock on an enemy grants all squad members 10 stacks of Zap.
  • More effects listed…

Consider Getting Dodge Resonia:

• Best Resonia Effects:
  • Hard Hat: Using Dodge increases the Agent’s DEF by 20% for 5s.
  • Rugby Ball: On triggering a Perfect Dodge, all squad members gain 1 stack of Agility.
  • More effects listed…

Most Resonia Appear Randomly:

• Random Resonia: Most Resonia are random unless indicated in the Shop or special event tiles.

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Construction Ruins Rewards

First Clear Rewards:

• Frontline:
  • Inter-Knot Credit x600
  • Polychrome x80
  • Boopon x1
  • Investigation Point x1000
  • Withered Crystal: Ink-Yellow x400
• Interior:
  • Inter-Knot Credit x600
  • Polychrome x80
  • Withered Crystal: Ink-Yellow x600
  • Investigation Point x1500
• Heartland:
  • Inter-Knot Credit x600
  • Polychrome x80
  • Withered Crystal: Ink-Yellow x600
  • Investigation Point x1500
• Core:
  • Inter-Knot Credit x600
  • Polychrome x80
  • Withered Crystal: Ink-Yellow x1000
  • Investigation Point x1500

Regular Rewards:

• Frontline:
  • Investigation Point x1250
  • Bangboo Algorithm Module x9 – 10
  • Bangboo System Widget x3 – 4
  • Withered Crystal: Ink-Yellow x200
  • Denny x1200
• Interior:
  • Investigation Point x2500
  • Bangboo System Widget x8 – 11
  • Withered Crystal: Ink-Yellow x300
  • Denny x2000
• Heartland:
  • Investigation Point x3000
  • Bangboo System Widget x10 – 13
  • Withered Crystal: Ink-Yellow x400
  • Denny x2815
• Core:
  • Investigation Point x3500
  • Bangboo System Widget x13 – 16
  • Withered Crystal: Ink-Yellow x500
  • Denny x3380

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Zenless Zone Zero Related Guides:

All Hollow Zero Zones:

• Qualification Assessment
• Old Capital Metro
• Construction Ruins
• Abandoned Skyscraper

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