- Treatise: Bonds of Stygia in Mortals
- Binds when picked up
- Unique
- Use: You permanently lose 75% less Stygia when dying in the Maw.
- Requires Archivists' Codex - Tier 4
Treatise: Bonds of Stygia in Mortals is sold by Archivist Roh-Suir for 1000 
[Cataloged Research] to players at Tier 4 (honored) with the Archivists' Codex at the Reliquary of Remembrance in Korthia.
To check whether the item was used, copy and paste this command into the chat window:
/run print(C_QuestLog.IsQuestFlaggedCompleted(64828))
If a "true" appears in the chat window, the item was used; "false" indicates the opposite.
Patch changes[]
Hotfix (2021-07-14): Added a new reward to Archivist Roh-Suir’s vendor list that will reduce players’ Stygia loss in The Maw by 75%. 
Patch 9.1.0 (2021-06-29): Added.