MaterialInterference Key
Interference Key is a 5★ material in Honkai: Star Rail — see how to get it, its use, and related items right below on this page.
Interference Key is a material ★5 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
When using Variable Dice to reassign Subsidiary Stats of a 5-star Relic, you can select one Subsidiary Stat to block, preventing it from being enhanced during this reroll.
Lore
The integrated circuits within the encryption key are operating at full capacity, emitting interference factors that intercept countless light rays and correct their trajectories. In the information light screen occupying the entire sky dome, a small dark zone appears: a place even destiny must avoid. "A discordant note emerges in the rapids of probability, refusing to go with the flow, driving itself like a nail into the marrow of destiny."
Stats
| Rarity | ★★★★★ |
| Type | Material |
| Stack limit | 99,999 |
Official names in every language
| Tiếng Việt | Khóa Mã Hóa Can Thiệp |
| English | Interference Key |
| 日本語 | 干渉暗号キー |
| 한국어 | 간섭 암호키 |
| 繁體中文 | 干涉金鑰 |
| 简体中文 | 干涉密钥 |
Where to use it / Related tools
Interference Key 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 Interference Key?
When using Variable Dice to reassign Subsidiary Stats of a 5-star Relic, you can select one Subsidiary Stat to block, preventing it from being enhanced during this reroll.
Where do you get Interference Key?
Official drop/source data for Interference Key isn't published yet — check back after the next data sync.
What type of item is Interference Key?
Interference Key is a 5★ material in Honkai: Star Rail, in the “Material” category.
What is Interference Key used for?
Interference Key currently isn't listed as required by any character ascension, Light Cone ascension, or crafting recipe in official data.