BookUnderground Encyclopedia: Plants and Fungi Part 1
Underground Encyclopedia: Plants and Fungi Part 1 is a 1★ material in Honkai: Star Rail — see how to get it, its use, and related items right below on this page.
Underground Encyclopedia: Plants and Fungi Part 1 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.
Read the full text
One of the pages belonging to "Underground Encyclopedia: Plants and Fungi". Read the full text in the Library.
Read this chapter in full in the Library →
Stats
| Rarity | ★ |
| Type | Book |
Official names in every language
| Tiếng Việt | Bách Khoa Dưới Lòng Đất: Thực Vật Và Nấm-1 |
| English | Underground Encyclopedia: Plants and Fungi Part 1 |
| 日本語 | 『地下百科・植物と菌類』 その1 |
| 한국어 | ≪지하 백과사전: 식물과 균류≫•1 |
| 繁體中文 | 《地底百科：植物和菌類》 其一 |
Same-type items
FAQ
What is Underground Encyclopedia: Plants and Fungi Part 1?
One of the pages belonging to "Underground Encyclopedia: Plants and Fungi". Read the full text in the Library.
Where do you get Underground Encyclopedia: Plants and Fungi Part 1?
Official drop/source data for Underground Encyclopedia: Plants and Fungi Part 1 isn't published yet — check back after the next data sync.
What type of item is Underground Encyclopedia: Plants and Fungi Part 1?
Underground Encyclopedia: Plants and Fungi Part 1 is a 1★ material in Honkai: Star Rail, in the “Book” category.
What is Underground Encyclopedia: Plants and Fungi Part 1 used for?
Underground Encyclopedia: Plants and Fungi Part 1 currently isn't listed as required by any character ascension, Light Cone ascension, or crafting recipe in official data.