NPCs composing that spawngroup :

#invis_johanius_ten (100%)

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

tenebrous_a_dire_sonic_wolf48, range=51 (1219,-357,-24)

a_dire_sonic_wolf (100%)

tenebrous_#invis_johanius_one27, range=10 (1270,-372,13)

#invis_johanius_one (100%)

tenebrous_224649, range=26 (1295,-370,-28)