Tanith

Speak to Tanith in Volcano ManorGrace. Use the Drawing Room key to access the Drawing Room. Speak to the NPCs here, and then take the letter off the table to identify your first target.

Invade and kill Old Knight Istvan. Return to Tanith, then find the next target in the Drawing Room.

Invade and kill Rileigh the Idle. Return once more to find the final target.

Invade and kill Juno Hoslow. Return and speak to Tanith

Ask Tanith to teleport you to Rykard's arena near the Audience PathwayGrace. Kill Rykard. Return to Tanith again.

Go back to Rykard's arena near the Audience PathwayGrace to find Tanith eating his head. Optionally give her the Dancers Castanets

Kill Tanith to spawn her bodyguard. Kill him to receive the Aspects of the Crucible: Breath incantation. Tanith will drop the Consort's set.