It can be socketed into Weapons and Shields. It can only be inserted into Radiance or Meta rune slots.
Satus is one of the Runes available in Lords of the Fallen (LotF). Satus is a rune that increases holy damage for weapons and increases holy defense for shields. It has hidden lore related to an ambitious warrior trapped in an ancient labyrinth.
Once, an ambitious warrior became trapped in an ancient labyrinth, his captivity there long enough that over time he convinced himself he was one of the Judges, a delusion which ultimately cost him his life.
Lords of the Fallen Items