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|Race||Twilight dragon (Dragonkin)|
|Health|| 309,000 (Human Form)|
464,000 (Dragon Form)
|Mana|| 8,162 (Human Form)|
40,810 (Dragon Form)
|Location||Sethria's Roost, Mount Hyjal|
Sethria is a level 81 elite twilight dragon found on Sethria's Roost in Mount Hyjal. Using Shadow Cloak Generators she has hidden Aviana's egg from the druids that would reclaim it, nestled amongst her eggs at the Roost. It seems that Sethria is behind the harpy situation at the Shrine of Aviana, as revealed by Marion Wormwing when she is captured and interrogated for the quest  . Thisalee Crow and the Druids of the Talon help players in defeating her.
- Human form : She has ~371,000 health and the following abilities:
- ω ϖ 40 yd range—Inflicts Shadow damage. 2.0 sec cast. 1400-2000 Shadow damage
- ω ϖ 50,000 yd range—Deals 11795 to 15102 Shadow damage to any enemy standing within the Shadow fissure after 5 sec. 1.6 sec cast (5 sec cooldown)
- ω ϖ 50,000 yd range—Deals Shadow damage to any enemy standing within the Shadow fissure after 5 sec. 2400-2700 Shadow damage despite the tooltip
- Dragon form : She has 557,000 max health/40810 max mana in her dragon form, but she is at the same ratio of health/mana she was at before the shift (now roughly 400,000 health).
- On entering dragon form:
- Sethria says: You are little more than insects! When I am done with you, I will burn your shrine to the ground!
- Sethria says: You buy time... but not your lives... my hatchery remains...
Patch 4.0.3a (2010-11-23): Added