| Differences in Hollow Activity |
|---|
![]() The pressure bar of the HDD indicates the current pressure level Agents are experiencing in the Hollow. Ether activity varies across different Hollows, and Agents operating in Hollows with a higher level of Ether activity will encounter more intense pressure. ![]() Hollow activity level is low, and Pressure will not increase. The designated area for the commission is currently experiencing a low level of activity within the Hollow. The Corruption of Etheric Matter is low and will not increase Pressure. |
| Hollow Zero |
![]() Hollow Zero, also known as "Limbo," is a colossal Hollow that consumed the old Eridu, resulting in its destruction, and serves as the source of several massive Hollows in and around New Eridu. The investigation and neutralization of Hollow Zero pose a long-term challenge for the authorities of New Eridu, both presently and in the future. |
| Basic Movement |
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Use W S A D or click on the monitors to move around. Tap the monitors to move around. Drag the screen to adjust the camera. Pinch with two fingers to zoom in and out. Drag or press to move around. |
| Observation Data |
![]() Scattered throughout the Hollows, you'll find crucial materials known as "Observation Data." Each commissioned Hollow contains 3 sets of Observation Data. Collecting these data sets increases the final rating of your commission and rewards you with additional Polychromes. Observation data in the Hollow will be saved once picked up. You don't need to pick it up again when exploring the same area. |
| Supply Box |
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Open the supply box to obtain Agent upgrade materials. Open the supply box to obtain Agent upgrade materials. Open the supply box to obtain Agent upgrade materials. |
| Pressure & Corruption |
![]() Certain Hollows contain zones of high Ether activity. In these zones, stepping into an unexplored territory will increase Pressure. ![]() Once your squad's Pressure reaches 100, your Agents will suffer Pressure Overload, obtain a random Corruption, and have their Pressure reset to 0. Corruptions have an impact on your combat and exploration abilities. Click on the Corruption bar in the bottom-left or press <Action:UIHollowCurse> to see more details. |
| Bangboo Plug-Ins |
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While exploring Hollows, you may come across Bangboo Plug-Ins with various effects. While exploring Hollows, you may come across Bangboo Plug-Ins with various effects. While exploring Hollows, you may come across Bangboo Plug-Ins with various effects. |
| Resonium |
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In certain Hollows, you may find mild Ether matter polymers known as Resonia, which provide combat and exploration buffs for your squad. In certain Hollows, you may find mild Ether matter polymers known as Resonia, which provide combat and exploration buffs for your squad. In certain Hollows, you may find mild Ether matter polymers known as Resonia, which provide combat and exploration buffs for your squad. |
| Bangboo Squad |
![]() While exploring Hollow Zero, you might encounter Ally Bangboo willing to join your squad and help you in battles. Ally Bangboo can unleash Active Skills, but they are not able to use Bangboo Chain Attacks. You can have up to 2 Ally Bangboo in your squad. If you accept a new Ally Bangboo when you already have 2, one of them needs to quit the squad. |
| Bangboo Merchants |
| Accelerated Playback Mode |
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You can accelerate the display of text, voice, and animations on the monitor in the HDD system by using the Accelerated Playback Mode. You can accelerate the display of text, voice, and animations on the monitor in the HDD system by using the Accelerated Playback Mode. You can accelerate the display of text, voice, and animations on the monitor in the HDD system by using the Accelerated Playback Mode. |
| Terminal located |
![]() Don't worry! Despite failing the challenge, enough location data has been collected. When undertaking the commission again, you can directly challenge the end. This is the final battle of the commission, so make sure you're ready. Before retrying the challenge, you can strengthen your Agents and adjust your squad members. Applicable only to the final battle (excluding some challenge commissions) |
| Jackhammer and Rock Obstacles |
| Shiyu Defense |
| Hollow Zero Squad Configuration |
| Hollow Zero Rewards |
| Outpost Logistics |
| Association Supplies |
| Inferno Reap |
![]() You can equip aResonium Kit for your challenge. Complete Withering Garden challenges to obtain Resonium Kits. |
| Simulated Battle Trial |
![]() Proxies can use their own Agents and Bangboo and challenge the Simulated Battle Trial Tower floor by floor, defeating powerful enemies to obtain Polychromes, Hamster Cage Passes, Tuning Calibrators, Hi-Fi Master Copies and other rare rewards! ![]() The Simulated Battle Trial Tower is split into multiple phases: Floors 1 to 5: Training Floors 6 to 10: Skirmish Floors 11 to 15: Clash Floors 16 to 20: War Floors 21 to 25: Carnage Above floor 25: Endless Conflict In the challenges of a single phase, Agent HP will be retained across floors and will not recover. HP will only be fully recovered upon successfully clearing a full phase. ![]() Normal enemies, elite enemies, mini-bosses, and powerful bosses may all gain a buff known as Demonized. Sometimes, you can cleanse Demonized by using appropriate strategies. Hone your skills to get to the top! ![]() By reaching certain floors in the Simulated Battle Trial, you can obtain different ranks of badges of honor depending on your achievements. Start off with the Initial Battle Bronze Badge. Complete floor 5 to obtain Entrapment Silver Badge. Complete floor 10 to obtain Onslaught Gold Badge. Complete floor 15 to obtain Dominance Diamond Badge. Complete floor 20 to obtain Battle Master Badge. Complete floor 25 to obtain Undefeated Legend Badge. Display these badges in your profile to show off to your friends! ![]() After completing floor 25, Endless Conflict will be unlocked in the Simulated Battle Trial. In Endless Conflict, you can keep challenging increasingly powerful enemies, there will be no more phases, and your Agent HP will not recover in any way outside of combat. The highest floor you manage to reach will be recorded and displayed on the main interface and badge. |




































