BookThe Well-Kept Secret of the Maintenance Department
The Well-Kept Secret of the Maintenance Department is a 1★ material in Honkai: Star Rail — see how to get it, its use, and related items right below on this page.
The Well-Kept Secret of the Maintenance Department is a material ★1 in Honkai: Star Rail. This item is not currently used to level up any character or Light Cone.
Last updated: 30/07/2026
The figures on this page come directly from gamevika's internal game data store (counted/read straight from the real records), not an estimate or copy from elsewhere.
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One of the pages belonging to "The Well-Kept Secret of the Maintenance Department". Read the full text in the Library.
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Stats
| Rarity | ★ |
| Type | Book |
Official names in every language
| Tiếng Việt | Bí Quyết Bất Truyền Của Phòng Bảo Trì |
| English | The Well-Kept Secret of the Maintenance Department |
| 日本語 | メンテナンス課の知られざる秘密 |
| 한국어 | 정비과의 알려지지 않은 비밀 |
| 繁體中文 | 維修科室的不傳之秘 |
Same-type items
FAQ
What is The Well-Kept Secret of the Maintenance Department?
One of the pages belonging to "The Well-Kept Secret of the Maintenance Department". Read the full text in the Library.
Where do you get The Well-Kept Secret of the Maintenance Department?
Official drop/source data for The Well-Kept Secret of the Maintenance Department isn't published yet — check back after the next data sync.
What type of item is The Well-Kept Secret of the Maintenance Department?
The Well-Kept Secret of the Maintenance Department is a 1★ material in Honkai: Star Rail, in the “Book” category.
What is The Well-Kept Secret of the Maintenance Department used for?
The Well-Kept Secret of the Maintenance Department currently isn't listed as required by any character ascension, Light Cone ascension, or crafting recipe in official data.