This buff is granted by the Lich artifact/subclass mechanism. It has no standalone Java class file; it is referenced in:
No standalone JSON file exists for this buff. It is tied to the Lich artifact/subclass and is configured through hero/subclass initialization (`hero/initHeroes.json`) and subclass logic (`HeroSubClass.java`).
Refer to `strings_all.xml` for Lich-related descriptions (`Lich_Name`, `Lich_Desc`) in `values/` and language variants (`values-ru/`, `values-nl/`, etc.).
This buff is implemented through Java subclass mechanics; no dedicated Lua script exists.