Zenless Zone Zero Hollows Guide: Unlocking and Upgrading Endgame Zones
Hollows are Zenless Zone Zero’s (ZZZ) signature endgame dungeons, packed with roguelike strategy, tough enemies, and some of the game’s best loot. Progressing through Hollow Zero and other advanced Hollow zones unlocks huge rewards and fuels long-term account growth.
How to Unlock Hollow Zero & Hollow Zones
To access Hollow Zero, complete Chapter 1 – Intermission (“Art of War Kite Edition”) in the main story. Visit Scott Outpost Interior, locate the big tent, and meet Ray, this unlocks your first Hollow zone (IGN Hollow Guide, GameWith, TopUpLive Hollow Guide).
Progression pathway for Hollow zones:
| Hollow Zone | Unlock Requirement |
|---|---|
| Qualification Assessment | Complete Chapter 1 Intermission |
| Old Capital Metro | Inter-Knot Level 21 + Reputation “Certified Proxy” |
| Construction Ruins | Finish Chapter 2, clear prior commissions |
| Abandoned Skyscraper | Complete Chapter 3, clear prior commissions |
| Withering Garden | Inter-Knot Level 45, finish required commissions |
| Inferno Reap (Final) | Complete Withering Garden – Core + extra missions |
Each zone features tougher enemies and more demanding completion requirements.
Upgrading & Progressing Hollow Zones
- Unlock Nodes: In “Lost Void” mode, purchase adjacent nodes to open new paths. Upgrading nodes costs Shadow Crystals; higher levels grant stronger buffs (TheGamer Lost Void Guide).
- Expertise Points: Spend these on fully upgraded nodes for an extra 10–20% boost.
- Zone Upgrades: Completing missions and bounties raises your License Level, unlocking higher zone difficulties and better rewards. Max out buffs and prioritize critical nodes for top drops.
- Hollow Pressure & Corruption: Each move in Hollow increases Pressure; plan the shortest routes and use Safe Zones to avoid debuffs (UltimateGacha Hollow Tips).
Endgame Rewards
Clearing Hollow Zero and its upper zones yields:
- Ascension materials
- Resonium (grid-based perk upgrade currency)
- Master Tapes, Encrypted Master Tapes (gacha pulls)
- Rare gear & event-limited currencies (Game8 Rewards Guide)
- Achievements tied to Observation Data and event tiles
Fast Progression Tips
- Deploy your strongest agent first, only one is available when starting zones
- Upgrade characters before moving to new Hollow zones; difficulty spikes are significant
- Clear commissions and side quests for quick unlocks
- Repeat Hollow Zero runs weekly for max rewards; reach monthly reset limits on Investigation Points (GameWith)
Outbound Sources
- Game8 Hollow Zero Guide
- IGN Hollow Guide
- TopUpLive Hollow Guide
- GameWith Hollow Zero Nodes Guide
- UltimateGacha Hollow Exploration Tips
- TheGamer Lost Void Guide
Mastering Hollow zones is the key to ZZZ’s endgame, unlock new stages, upgrade your team, and claim the best loot every week!


