Zenless Zone Zero Hollow Exploration guide: All icons explained

A guide to help you across the Hollows.

Zenless Zone Zero protagonists

Rather than walking around the map, Zenless Zone Zero utilizes a unique Hollow Exploration feature, showcasing a board game-like structure. Various events are scattered around this dimension, either leading to valuables or dangerous showdowns. We’re here to guide you through ZZZ’s Hollow Exploration, including each icon’s meaning on the map.

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What is Zenless Zone Zero Hollow Exploration?

You’ll typically enter ZZZ’s Hollow Exploration mode when starting a Story, Exploration, or Combat mission. Players must move their Bangboo across monitors to reach specific spots in the dimension. Some events trigger boss fights, but there are a few helpful blocks, like Observation Data and Supply Boxes. These materials will provide you with rewards, which can be helpful for Agent upgrades.

ZZZ Hollow Exploration
Screenshot by Destructoid

Some Hollow locations present higher Pressure levels, hindering your party’s performance. Keep track of this gauge to ensure the team is in good shape. Additionally, if you want to fast-track things, use the Accelerated Playback Mode to speed up those long, drawn-out texts.

All Zenless Zone Zero Hollow Exploration icons

There are a variety of events you can encounter in the Hollow. While some can benefit you, others can inflict damage on your team. Thus, knowing what each icon means is crucial before stepping on top of it. To better understand this, we’ll break down all the Hollow Exploration icons in Zenless Zone Zero. However, we’re still working our way through this list, so stay tuned for more updates.

Mark

EventsDescriptionIcons
StartThis will be your starting point when entering a HollowStart in ZZZ
TargetThe target point of your current objectiveZZZ Target
Elevator Travel deeper into the HollowElevator icon in ZZZ
ExitHollow exit pointExit icon in ZZZ

Environment

EventsDescriptionIcons
Unstable An area that requires step-by-step explorationUnstable icon in ZZZ
Sturdy ObstacleAn obstacle that blocks the pathway (can’t be broken)Sturdy Obstacle icon in ZZZ
Fragile ObstacleAn obstacle that requires a few hits to break downFragile Obstacle icon in ZZZ
Broken ObstacleAnother easily breakable obstacleBroken Obstacle icon in ZZZ
MistsUse this portal to teleport to another area safelyMists icon in ZZZ
UnknownUncharted territoryZZZ Unknown
Fissure Leading DeeperA point-of-no-return location leading you deeper into the HollowZZZ Fissure Leading Deeper icon
Downward PassageA passage that allows you to return to it at any timeDownward Passage Hollow icon
Fissure Leading OutsideA fissure that leads to the upper floor of a Hollow (acts as another point of no return)Fissure Loading Outside in ZZZ
Upward PassageA portal that takes you back to the previous floor (you can return to it at any time)Upward Passage in ZZZ
Secret PathEnter a hidden area that typically requires a certain priceSecret Path in ZZZ
Surprise Box AreaGo to a random place in the HollowSurprise Box Area in ZZZ
No Loitering ZoneSpecial area exitNo Loitering Zone in ZZZ
Super Random Area Transports you to a random spaceSuper Random Area icon in ZZZ

Device

Events DescriptionIcons
ObservationsDiscover the next route through this eventZZZ Observations
Trigger SwitchActivate a mechanism or equipmentTrigger Switch in ZZZ
Button SwitchMust be held down to activate it (place an item on top of it)Button Switch in ZZZ
Control Lever Activates mechanisms or equipmentControl Lever icon in ZZZ
LeverA lever that can used repeatedly to control a mechanism or equipmentLever icon in ZZZ
Steering DeviceA button that changes the orientation of a mechanismSteering Device icon in ZZZ
EjectGo on top of this block to eject yourself to a specific areaEject icon in ZZZ
Reset ButtonIf you’ve placed an item the wrong way during a puzzle, you can use this button to reset its positionReset Button in ZZZ
TracksStep on top of this item to get to the end of the tracks quicklyZZZ Tracks
Closed Gate – WealthExchange a certain number of Gear Coins to unlock this gateClosed Gate - Wealth icon in ZZZ
Closed Gate – PasswordEnter the correct password to pass through the gateClosed Gate- Password icon in ZZZ
Closed Gate – ChallengeA previously closed Challenges gate that is now openClosed Gate - Challenge icon in ZZZ
Closed Gate – PuzzleA blocked gate that needs to be unlocked by a specific mechanismClosed Gate - Puzzle ZZZ
Opened GateA previous closed gate that is now openOpened Gate ZZZ

Resource

EventsDescriptionIcons
AssetsDennies blockAssets in ZZZ
Gear Coin CaseGear Coins block (used to open blocked gates)Gear Coins Case in ZZZ
Safety Zones Reduce your PressureZZZ Safety Zones
Rest AreasRecover HPZZZ Rest Areas
DisconnectionIncreases your PressureZZZ Disconnection
CorruptionDecreases HPZZZ Corruption
Performance Evaluation Point Earn Z-MeritsPerformance Evaluation Point in ZZZ
Obtain Plug-inImprove Bangboo Plug-insObtain Plug-in icon in ZZZ
Swift Supply Get a random itemSwift Supply in ZZZ
GachaObtain a Resonator, a short-term allyZZZ Gacha
Corrupted GachaEarn an Artifice ResoniumCorrupted Gacha icon in ZZZ
Resonium CatalystCatalyze a Resonium in your inventoryResonium Catalyst icon in ZZZ
Purification RoomBlock that removes CorruptionPurification Room icon in ZZZ
Bangboo MerchantTrade resources with the Bangboo MerchantBangboo Merchant ZZZ
Ether DewdropsA rest area that revitalizes incapacitated AgentsZZZ Ether Dewdrops
Observation SiteCollect Hollow Observation DataZZZ Observation Site
Deserted Observation SiteCollected the Hollow Observation DataDeserted Observation Site in ZZZ
Elite Investigator’s Supply BoxChest with the most advanced Agent upgrade resourcesElite Investigator's Supply Box
Senior Investigator’s Supply BoxChest with advanced Agent upgrade resourcesSenior Investigator's Supply Box in ZZZ
Opened Supply BoxAn open chestOpened Supply Box in ZZZ

Threat

EventsDescriptionIcons
CrisisNormal enemy battleZZZ Crisis
PerilA fight against a tough opponentPeril in ZZZ
ImpasseThe Hollow’s toughest enemyImpasse ZZZ
Double CrisesFight two elite enemiesDouble Crises icon in ZZZ
Timed BattleBattle with a time limitTimed Battle icon in ZZZ
Gate KeeperDefeat an enemy here to progress further in the HollowZZZ Gate Keeper
Final BattleBattle against the final foeZZZ Final Battle

Encounter

EventsDescriptionIcons
InvestigatorPioneers of the Hollow who may serve as your temporary allyZZZ Investigator
Hollow RaiderA raider who can be friendly, but that’s not always the caseZZZ Hollow Raider
The BehemothA steel beast that has been wrecked in the HollowsZZZ The Behemoth
Gold Excavation PointA buried point that holds DenniesGold Excavation Point in ZZZ
Defense Force Logistics HubLogistics Site where a group of fully armed soldiers and military vehicles are stationedZZZ Defense Force Logistics Hub
BackstreamPlayable video that can be rewindedBackstream icon in ZZZ
EvidenceCollectible evidence for a caseEvidence icon in ZZZ
The OpportunistBuy items that come at a cost of interest later down the lineThe Opportunist icon in ZZZ
Rest AreaA place where you can catch up on restRest Area icon in ZZZ
The TruthEnter this area to uncover secretsThe Truth icon in ZZZ
PassageA pathway that can either lead to rewards or enemy battlesPassage icon in ZZZ
Strange GoodsA vending machine with valuablesStrange Goods icon in ZZZ
Dilapidated HouseA crumbling structure that may hold treasuresDilapidated House icon in ZZZ
Pie in the SkyAn event where you can gather materialsPie in the Sky icon in ZZZ
Activated CrystalEther crystal that emits energy fluctuationsActivated Crystal icon in ZZZ
Paid Rest AreaCommercial rest spot that comes at a costPaid Rest Area icon in ZZZ
H.I.A. DepotTemporary supply stationH.I.A. Depot icon in ZZZ
White Star Institute Research StationSmall research station guarded by special agents and HandlersWhite Star Institute Research Station icon in ZZZ
Public Security SquadHeavily armed Public Security officers who are harmless to youPublic Security Squad icon in ZZZ

Hollow Visitor

EventsDescriptionIcons
Normal EnemyOpponent in low-threat level zoneZZZ Normal Enemy
Elite EnemyFoe with a high-threat levelElite Enemy icon in ZZZ
Boss EnemyMost formidable foe in the HollowBoss Enemy icon in ZZZ
BomberOppenent who carries an explosive deviceBomber icon in ZZZ
CompanionsFriendly unitZZZ Companion
Harmless WandererA friendly unit that roams the HollowHarmless Wanderer icon in ZZZ
Golden BangbooDefeat this Bangboo to earn Gear CoinsGolden Bangboo icon in ZZZ
Dead End ButcherAn area where a dangerous enemy awaits youDead End Butcher in ZZZ
ObstacleA block that can be pushed asideZZZ Obstacle
Movable ObstacleA pushable block that can switch places with the Bangboo when up against the wallMovable Obstacle in ZZZ
TrainMoving train that can take you to placesZZZ Train
BombDetonate a bomb within a radius (use on Obstacles)Bomb icon in ZZZ
Marble CannonLaunches steel projectilesMarble Cannon icon in ZZZ
Dead End ButcherInitiate a Butcher battleDead End Butcher icon in ZZZ
FridayFight against an intelligent construction machine Friday icon in ZZZ
HansMachine with grappler attacksHans icon in ZZZ
Greta A “boring” machine that will attack youGreta icon in ZZZ
Friendly MechAn ally machineFriendly Mech icon in ZZZ

Hollow Zero

EventDescriptionIcon
Call for SupportRecruit a new Agent to your partyZZZ Call for Support
Temporary PartnerGain an Ally BangbooTemporary Partner icon in ZZZ
Chance EncounterEncounter an Agent randomly and trigger an eventChance Encounter icon in ZZZ

The icons shown here are the ones we’ve encountered so far in Zenless Zone Zero, but there are sure to be more to come. For now, be on the lookout for these events, especially the more challenging enemies.

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