8. Perform the "wedding" ceremony. The tomb is located behind a false statue in the room before you get to the rotating tower in Anor Londo (and after the bow knights). Talk to the pilgrim NPC there and accept the sword. Walk up to the dead body and perform the avowal, receiving Anri's 3 dark sigils. Source: [ Ссылка ]
Requirement for Usurpation of Fire Ending, third ending
Dark Souls 3
