Abandoned Skyscraper
Last updated 2025-09-07
Withered DomainAbandoned Skyscraper is a set of stages that can be played in Hollow Zero: Withered Domain.
Details
Unlocking Abandoned Skyscraper requires Inter-Knot Level 36, completion of The Midnight Pursuit (B) in Phaethon's Story, and also completion of Construction Ruins: Frontline to unlock.
These stages consist of 3 floors of Array Mode gameplay, with a Frontline Supply Outpost resting area after having defeated the Gatekeeper of each major floor.
Secret Doctor
Upon starting a mission, the Secret Doctor will ask to draw blood from your starting Agent, giving a choice of drawing a small amount of health (19% of Agent's Max HP) in exchange for 1 Concentrated Medicine, or a large amount of health for 3 Concentrated Medicine, and he will also give the player a random A-Rank (Shield) Resonium.
On the first Frontline Outpost, the Secret Doctor will greet players at the entrance, and will give 1 - 3 Concentrated Medicines depending on how heavily injured the squad's Agents are. Afterwards he will provide 2 Service requests, where each request can have the following combination of possible rewards available:
- Set 1
- Light purification: Clears 50 Pressure.
- Deep purification: Clears all Pressure at the cost of 2 Concentrated Medicine.
- Set 2
- Obtain normal supplies: Obtain 1 B-Rank Resonium
- Obtain rare supplies: Lose 20% HP. Obtain 1 S-Rank Resonium.
- Set 3
- Simple Recovery: Heal 10% HP
- Powerful Recovery: Recover all HP at the cost of 5 Concentrated Medicine.
- Set 4
- Explore a route: This area will no longer show any locations as Unknown.
- Explore for supplies: There are more Unknown areas, which will produce even more Resonia.
- Buy supplies directly: Lose 20% HP. Obtain 2 Resonia.
On the second Frontline Outpost, the Secret Doctor will also give 1 - 3 Concentrated Medicines based on squad injuries as before, and then offer players the choice of spending 2 Concentrated Medicine to catalyze the (Research) Trigger Instinct Resonium. Afterwards he will provide another 2 Service requests, with each request having the following possible available options:
- Set 1
- Catalyze a little: Catalyze 1 Resonium.
- Catalyze a lot: Use 2 Concentrated Medicines, Catalyze 3 Resonia.
- Catalyze all: Use 10 Concentrated Medicines, Catalyze all Resonia.
- Set 2
- Explore a route: This area will no longer show any locations as Unknown.
- Explore for supplies: There are more Unknown areas, which will produce even more Resonia.
- Buy supplies directly: Lose 20% HP. Obtain 2 Resonia.
- Set 3
- Mild catalyst: Catalyze 1 Resonium.
- Take supplies directly: Obtain 1 Resonium.
- Take catalytic supplies: Lose 2 Concentrated Medicines. Obtain 1 catalyzed Resonium.
- Set 4
- Take the small bag: Obtain 500 Gear Coins.
- Take the big bag: Lose 15% HP. Obtain 500-2,000 Gear Coins.
Stages
There are 3 stages:
| Name | Recommended Attributes |
Recommended Level |
Difficulty | Rewards |
|---|---|---|---|---|
| Abandoned Skyscraper: Interior |  Ice Electric Ether |
35 | High-Risk | 2000 |
| Abandoned Skyscraper: Heartland | Ice Electric Ether |
40 | Disaster | 2815 |
| Abandoned Skyscraper: Core | Ice Electric Ether |
45 | Disaster | 3380 |
Other Languages
| Language | Official Name |
|---|---|
| English | Abandoned Skyscraper |
| Chinese (Simplified) | 巨厦遗骸 |
| Chinese (Traditional) | 巨廈遺骸 |
| Japanese | 高層遺跡 |
| Korean | 거대 빌딩의 잔해 Geodae Bilding'ui Janhae |
| Spanish | Rascacielos abandonado |
| French | Gratte-ciel en ruines |
| Russian | Развалины высотки Razvaliny vysotki |
| Thai | ซากอาคารยักษ์ |
| Vietnamese | Tòa Nhà Bỏ Hoang |
| German | Hochhausruinen |
| Indonesian | Reruntuhan Bangunan |
| Portuguese | Ruínas do Edifício Gigante |
Change History
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