AllaK lists the factions as :
Factions:
Brood of Di`Zok
Sarnak Collective
Opposing Factions:
Goblins of Mountain Death
(
http://eqbeastiary.allakhazam.com/search.shtml?id=3989)
On killing him, LegionOfCabilis raised instead of Goblins of Mountain Death, looks like he is has normal sarnak factions instead of altered ones.