GiftHerta Contract: Aether Refill
Herta Contract: Aether Refill is a 4★ material in Honkai: Star Rail — see how to get it, its use, and related items right below on this page.
Herta Contract: Aether Refill is a material ★4 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.
Description
A mutual aid contract between Herta and the Express. She will help the Express whenever she can, in exchange for treasures found during trailblazing.
Stats
| Rarity | ★★★★ |
| Type | Gift |
Official names in every language
| Tiếng Việt | Herta - Thỏa Thuận Bổ Sung Aether |
| English | Herta Contract: Aether Refill |
| 日本語 | ヘルタ・エーテル補充協定 |
| 한국어 | 헤르타 • 에테르 보충 협의 |
| 繁體中文 | 黑塔•乙太補充協議 |
Same-type items
FAQ
What is Herta Contract: Aether Refill?
A mutual aid contract between Herta and the Express. She will help the Express whenever she can, in exchange for treasures found during trailblazing.
Where do you get Herta Contract: Aether Refill?
Official drop/source data for Herta Contract: Aether Refill isn't published yet — check back after the next data sync.
What type of item is Herta Contract: Aether Refill?
Herta Contract: Aether Refill is a 4★ material in Honkai: Star Rail, in the “Gift” category.
What is Herta Contract: Aether Refill used for?
Herta Contract: Aether Refill currently isn't listed as required by any character ascension, Light Cone ascension, or crafting recipe in official data.