TheWoWDBThese are ghostly skeletal horses found in the stables of Karazhan. Their main ability is an area of effect debuff 'Absorb Vitality' that lasts for 15 secs, reducing stamina and strength by 20. The area seems to be around 20yds only, which is irrelevant since the debuff is only important for melee characters. It is recast at approximately every 10 seconds and can stack to at least 15 casts. It seems they are able to cast it even through shackles.
In the packs they are found in, it is advised you kill these first.
Elite
Spectral Stallion
The highest voted Wowhead comments for this page. They are community notes, not TheWoWDB comments.
Rogues keep in mind that Cloak of Shadows will get rid of the debuff.
Actually they will turn purple when they use that debuff. You can dispell it and it can stop the debuff from getting any worse.
Details
This roster comes from the current game client's data files, so it is not a complete list of every NPC in the game - older world NPCs that are no longer in the modern client are absent.
3D Model
First-party render from the game files. Model © Blizzard Entertainment.
Community notes from Wowhead · 6 comments
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Level and Map Tracking
The game data tunes Spectral Stallion for level 30, The Burning Crusade content.