Light Cone EXP BookRefined Aether
Refined Aether is a 4★ material in Honkai: Star Rail — see how to get it, its use, and related items right below on this page.
Refined Aether is a material ★4 in Honkai: Star Rail. This item is not currently used to level up any character or Light Cone. Obtainable from 6 different sources in-game.
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
Enhancement material for Light Cones, provides 6000 Light Cone EXP.
Lore
A canister of aether that has been extracted and distilled using special procedures. "The Garden looks forward to recreating a past glory, but it is a 'past glory' selected by them. Do you understand?"
How to obtain
- Calyx: Backwater Pass
- Calyx: Divination Commission
- Calyx: A Child's Dream
- Calyx: "Strife Ruins" Castrum Kremnos
- Calyx: "Dovebrook District"
- Forgotten Hall
Stats
| Rarity | ★★★★ |
| Type | Light Cone EXP Book |
| EXP value | 6,000 |
| Stack limit | 99,999 |
Official names in every language
| Tiếng Việt | Aether Tinh Luyện |
| English | Refined Aether |
| 日本語 | 精製エーテル |
| 한국어 | 정제한 에테르 |
| 繁體中文 | 精煉乙太 |
| 简体中文 | 提纯以太 |
Where to use it / Related tools
Refined Aether is used to level up Light Cones — see which Light Cones need this material.
Refined Aether is an upgrade material — check the Material Planner to see how much you need for the character you're building.
Same-type items
FAQ
What is Refined Aether?
Enhancement material for Light Cones, provides 6000 Light Cone EXP.
Where do you get Refined Aether?
Sources for Refined Aether: Calyx: Backwater Pass · Calyx: Divination Commission · Calyx: A Child's Dream · Calyx: "Strife Ruins" Castrum Kremnos · Calyx: "Dovebrook District" · Forgotten Hall. See the “How to obtain” section above for details on each source.
What type of item is Refined Aether?
Refined Aether is a 4★ material in Honkai: Star Rail, in the “Light Cone EXP Book” category.
What is Refined Aether used for?
Refined Aether currently isn't listed as required by any character ascension, Light Cone ascension, or crafting recipe in official data.
How much EXP does Refined Aether give?
Refined Aether gives 6,000 EXP when used to level up.