NPCs composing that spawngroup :

a_festering_mushroom (100%)

NPCs spawning around that spawngroup :
(Max range : 200)

echo1224147, range=192 (498,-597,-30)

an_outcast_mutant (50%)
an_outcast_mutant (50%)

echo1224056, range=143 (262,-439,-39)

Gip_Gallows (100%)

echo1224055, range=171 (416,-442,-37)

an_outcast_mutant (33%)
an_outcast_mutant (34%)

echo1224054, range=135 (327,-441,-38)

an_outcast_mutant (34%)
an_outcast_mutant (33%)

echo1224051, range=18 (291,-585,-38)

Crazy_Pete (100%)

echo1224050, range=84 (235,-530,-39)

echo1224048, range=183 (297,-758,-46)

echo1224047, range=192 (236,-754,-45)

Priestess_Tarafol (100%)

echo1224044, range=69 (355,-525,-35)

Darian_the_Preacher (100%)

echo1224038, range=109 (380,-494,-38)

#Adelin_Crow (50%)
#Dack_Tiktopper (50%)

echo1224034, range=81 (334,-498,-37)

echo1224014, range=129 (432,-545,-36)

#Marin_Pointear (100%)