|Location||Hiri'watha Research Station, Hinterlands|
- Andorhal, at Western Plaguelands.
- Hammerfall, at Arathi Highlands.
- Revantusk Village, at The Hinterlands.
- Tarren Mill, at Hillsbrad Foothills.
- Thondroril River, at Eastern Plaguelands.
- The goggles Kellen is wearing apparently have been slightly textured wrong as they appear to extend forming scopes from his face.
- Patch 7.0.3 (2016-07-19): Level raised from 100 Elite to 110 Elite.
- Patch 6.0.2 (2014-10-14): Level raised from 90 Elite to 100 Elite.
- Patch 5.0.4 (2012-08-28): Level raised from 85 Elite to 90 Elite.
- Patch 4.0.3a (2010-11-23): Level raised from 80 Elite to 85 Elite.
- Patch 3.0.2 (2008-10-14): Level raised from 55 to 80 Elite.