Also note: At this point of the quest, you should have gotten the unique bow: Zephyr. If not, see the previous part of the Lost to the Ages guide here:How to get Zephyr Unique Bow Katria's Journal Clues Katria tells you about the Tonal Lock. She points to ...
Go north and then downwards through some stone arches into an area with water pouring onto a body of water below. The quest marker should point to a spot on the floor, go stand there and wait for Katria. She tells you to hold up, she wants to talk to you. She tells...
Once you have retrieved the artifact, return to Florentius in Fort Dawnguard. Tell him you have retrieved the Dawnguard Rune Hammer from Greywater Gorge. You get to keep the artifact. This completes the quest, "Lost Relic". Talk to Florentius again to see if he has additional quests for ...