Trace MaterialObsidian of Obsession
Obsidian of Obsession is a 4★ material in Honkai: Star Rail. See how to get it and which characters/light cones need it below.
Obsidian of Obsession is a material ★4 in Honkai: Star Rail. 7 characters need this item to level up. 13 Light Cones need this item to level up. Obtainable from 3 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
A sizable piece of dark matter captured from the void. Used to level up Traces significantly for Nihility characters.
Lore
The weak-minded and soft-willed will spend their eternity in chaos from just a simple glance into the prism. " "
Farm it smart
A Trace (skill tree) material. Harsh truth: traces devour materials late-game, especially levels 8–10. Do not level evenly — pour into Skill/Ultimate (your main damage) first, Basic ATK last.
Material Planner →How to obtain
- Calyx (Great Mine)
- Omni-Synthesizer — Material Synthesis
- Omni-Synthesizer — Material Exchange
Used to upgrade
Used for Light Cones
Stats
| Rarity | ★★★★ |
| Type | Trace Material |
| Stack limit | 99,999 |
Official names in every language
| Tiếng Việt | Ánh Đen Trầm Luân |
| English | Obsidian of Obsession |
| 日本語 | 沈淪せし黒曜 |
| 한국어 | 타락의 흑요 |
| 繁體中文 | 沉淪黑曜 |
| 简体中文 | 沉沦黑曜 |
Where to use it / Related tools
Obsidian of Obsession 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 Obsidian of Obsession?
A sizable piece of dark matter captured from the void. Used to level up Traces significantly for Nihility characters.
Where do you get Obsidian of Obsession?
Sources for Obsidian of Obsession: Calyx (Great Mine) · Omni-Synthesizer — Material Synthesis · Omni-Synthesizer — Material Exchange. See the “How to obtain” section above for details on each source.
What type of item is Obsidian of Obsession?
Obsidian of Obsession is a 4★ material in Honkai: Star Rail, in the “Trace Material” category.
What is Obsidian of Obsession used for?
Obsidian of Obsession is used by 7 characters, 13 Light Cones.