BookCyrille: An Old Letter
Cyrille: An Old Letter is a 1★ material in Honkai: Star Rail — see how to get it, its use, and related items right below on this page.
Cyrille: An Old Letter 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 "Cyrille". 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 | Cyrille - Bức Thư Niên Đại Xa Xưa |
| English | Cyrille: An Old Letter |
| 日本語 | セリル 古い手紙 |
| 한국어 | 시릴: 오래된 편지 |
| 繁體中文 | 希莉兒 年代久遠的書信 |
Same-type items
FAQ
What is Cyrille: An Old Letter?
One of the pages belonging to "Cyrille". Read the full text in the Library.
Where do you get Cyrille: An Old Letter?
Official drop/source data for Cyrille: An Old Letter isn't published yet — check back after the next data sync.
What type of item is Cyrille: An Old Letter?
Cyrille: An Old Letter is a 1★ material in Honkai: Star Rail, in the “Book” category.
What is Cyrille: An Old Letter used for?
Cyrille: An Old Letter currently isn't listed as required by any character ascension, Light Cone ascension, or crafting recipe in official data.