NPCs composing that spawngroup :

a_gelidran_flamefreeze (25%)

a_gelidran_frostblade (25%)

a_gelidran_iceshadow (25%)

a_gelidran_icespinnder (25%)

NPCs spawning around that spawngroup :
(Max range : 100)

riftseekers3340043, range=42 (139,411,-237)

riftseekers3340044, range=75 (233,439,-233)

riftseekers3340071, range=8 (174,397,301)