It can be socketed into Weapons and Shields. It can only be inserted into Strength or Meta rune slots.
Hilvit is one of the Runes available in Lords of the Fallen (LotF). Hilvit is a rune that increases Strength scaling for weapons and greatly enhances the Strength attribute for shields. It is related to the Umbral Lamps and their connection to life and death..
The Umbral Lamps are objects with powerful connections to both life and death,
Lords of the Fallen Items