With patch 6.25 of Final Fantasy XIV Endwalker released on October 18 the relic weapons are now available but you'll first need to complete the Somehow Further Hildibrand Adventures Quests made available with patch 6.2 of the game.
These quests are available once you first clear all the other hildibrand series in Stormblood and before.
FFXIV Somehow Further Hildibrand Adventures Quest Unlock for Endwalker Relic
The first quest of the Endwalker series is called "The Sleeping Gentleman" and is a yellow quest givent by the Excitable Youth located in Rad-At-Han (X: 11.8 Y: 11.2).
This quest will unfold as follow:
- Speak with Nashu Mhakaracca.
- Speak with Nashu Mhakaracca again.
- Speak with Glynard at the Crystarium.
- Question the locals in Sullen.
- Speak with Theyler.
- Speak with Theyler again.
You will then get access to the second quest called "A soulful Reunion" given by Hildibrand Manderville in Lakeland ( X: 26 Y: 26).
This quest can be quite long given the cutscenes and the amount of tasks:
- Speak with Theyler in the Crystarium.
- Deliver the gentlemanly spirit vessel to Nashu in Radz–at–Han.
- Gather information in Kama.
- Speak with Nashu.
- Speak with Nashu and have her accompany you.
- Gather information while Nashu is accompanying you.
- Speak with the traveling merchant while Nashu is accompanying you.
- Speak with Nashu at Saltwind's Welcome.
- Speak with Nashu.
- Speak with Nashu in Radz–at–Han.
That's it for now! Once we have more information on what the next quests will be we'll make sure to update this guide so please stay tuned!