Spectral Saber Worg
I have found 5 different spirit beasts using it.
I found mine because I did "one last pass" to check the northwest spawn point before leaving the zone. BING BING BING! And he was mine.
Wowhead or other game websites will show you where he spawns: one point north of Valkyrion, one south, and one north of Brunhildar Village.
It borders on an Obsessive waste of time to me, as cool as they are to have or kill.
In my experience Rare finder works better.
Arcturis is a spirit beast bear in grizzly hills and only has one spawn point, might be easier for you to kill that one.
Also at the Abandoned reef, there is a spirit beast named Ghost Crawler that has 1mil hit points, level 85. Probably low camp traffic on that one as well and it's a small place.
Have fun making hunters cry.
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