So according to one of the stories in the Things Remembered world quest, Eridia is Soulbound to Lysonia, Hand of Doubt.
Elite
Eridia
Hand of Purity
Eridia (Hand of Purity) is an Elite Humanoid, level 10 to 51.
Details
Eridia at a Glance
FactionThe Ascended
Faction groupplayers
Level and Map Tracking
The game data tunes Eridia for levels 10 to 51, Shadowlands content.
In the Client Files
Standing toward the AllianceFriendly
Standing toward the HordeFriendly
Standing toward other monstersHostile
Also The Ascended Humanoid at levels 10 to 51 in the current client data
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Community notes from Wowhead · 2 comments
Top 1 shown above · 1 more hereThe comments below were written by Wowhead users. They are community notes, not TheWoWDB comments. See them in context on Wowhead.
She actually says this in The Enemy You Know Lysonia - I do not wish to kill you my Soulbind, but I will if I must.
Game Data
Creature ID159762
Display ID97454
Faction template3166
Content tuning1318
Held item IDs171130, 174429
Related
Background
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