NPCs composing that spawngroup :

Boster_MacHadden (100%)

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

halas_27, range=96 (628,295,1)

halas_26, range=81 (617,314,1)

halas_12, range=6 (540,333,4)

halas_11, range=35 (565,305,4)

halas_85, range=22 (539,305,4)