Old Capital Metro
Last updated 2026-09-10
Withered DomainOld Capital Metro is a set of stages that can be played in Hollow Zero: Withered Domain.
Details
Unlocking Old Capital Metro requires Inter-Knot Level 21, completion of the Qualification Assessment stages, and also completion of Path of the Proxy I to unlock.
These stages consist of 2-3 floors of Array Mode gameplay, with a Frontline Supply Outpost resting area after having defeated the Gatekeeper of each major floor.
Starting from the Frontline difficulty, the player may encounter the Weird Student, Weird Detective, and Weird Scavenger, allowing them to start collecting Lost Items from the Old Capital.
Masked Scholar
The Masked Scholar will appear on Old Capital Metro from Frontline difficulty or higher.
On starting the mission, the Masked Scholar will greet players and give players the option to suffer 2 - 3 Corruptions (depending on difficulty level), in exchange for an equivalent number of Resonia.
On the first Frontline Outpost, the Masked Scholar will greet players at the entrance, and will then provide a number of supply opportunities based on the number of Corruptions the squad is suffering from.
The Masked Scholar can provide the following types of assistance options:
- Grab some Corrupted supplies - Randomly obtain 1 - 3 S-Rank Resonia. Sustain the same number of Corruptions.
- Help me catalyze my Resonium - Catalyze 3 Random Resonia.
- Restore health - Recover 30% HP.
- Slowdown Corruption - Lose 10% HP. Remove 1 Corruption.
- Medical Funds - Obtain 200 Gear Coins for each Corruption.
- Bangboo plug-ins - Obtain 1 bomb.
- Call for help - Obtain 1 Bangboo
- Combat supplies - Obtain 1 B-Rank Resonium
- Catalyst - Randomly catalyze 2 Resonia
- I want to go shopping - Obtain 1,000 Gear Coins. Generate 1 Store.
If the player has sustained 5 Corruptions on encountering the Masked Scholar, he will provide more generous supply options to the player, which can include:
- Take a big basket of bombs - Obtain 9 Bombs
- Replace - Encounter 2 "Call Agent" events
- Body Treatment - Recover 50% HP
- Claim Insurance - Obtain 2,500 Gear Coins
- Obtain Combat Supplies - Obtain 3 Resonia
When meeting the Masked Scholar at the second Frontline Outpost, he will again provide help based on the severity of the squad's corruptions. If the squad has no Corruptions, or has 5 Corruptions active, the Masked Scholar will immediately catalyze the (Research) Overload Distribution Resonium, before providing more supply opportunities for the squad.
Stages
There are 5 stages:
| Name | Recommended Attributes |
Recommended Level |
Difficulty | Rewards |
|---|---|---|---|---|
| Old Capital Metro: Edge |  Ice Ether |
25 | Normal | 675 |
| Old Capital Metro: Frontline | Ice Ether |
30 | Hard | 1200 |
| Old Capital Metro: Interior | Ice Ether |
35 | High-Risk | 2000 |
| Old Capital Metro: Heartland | Ice Ether |
40 | Disaster | 2815 |
| Old Capital Metro: Core | Ice Ether |
45 | Disaster | 3380 |
Other Languages
| Language | Official Name |
|---|---|
| English | Old Capital Metro |
| Chinese (Simplified) | 旧都列车 |
| Chinese (Traditional) | 舊都列車 |
| Japanese | 旧都列車 |
| Korean | 옛 도시 열차 Yet Dosi Yeolcha |
| Spanish | Metro de la Antigua Capital |
| French | Métro de l'ancienne capitale |
| Russian | Старое метро Staroye metro |
| Thai | รถไฟเมืองเก่า |
| Vietnamese | Đoàn Tàu Cố Đô |
| German | Zug der alten Hauptstadt |
| Indonesian | Metro Ibu Kota Lama |
| Portuguese | Metrô da Velha Capital |
Change History
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