NPCs composing that spawngroup :

a_ghostly_student (50%)

a_ghostly_student (50%)

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

frozenshadow_12, range=114 (511,866,23)

#Zorglim_the_Dead (50%)
a_ghostly_student (50%)

frozenshadow_13, range=103 (544,866,23)

a_ghostly_student (50%)
a_ghostly_student (50%)

frozenshadow_14, range=191 (372,758,23)

a_ghostly_student (100%)

frozenshadow_15, range=170 (394,786,23)

a_ghostly_scholar (100%)

frozenshadow_18, range=168 (431,660,26)

a_ghostly_scholar (50%)
a_ghostly_scholar (50%)

frozenshadow_21, range=188 (392,844,23)

a_ghostly_student (50%)
a_ghostly_student (50%)

frozenshadow_22, range=73 (490,770,23)

a_ghostly_student (50%)
a_ghostly_student (50%)

frozenshadow_23, range=166 (481,619,26)

a_ghostly_scholar (100%)
a_ghostly_scholar (100%)

frozenshadow_25, range=111 (483,842,23)

a_ghostly_student (50%)
a_ghostly_student (50%)

frozenshadow_29, range=71 (624,801,12)

a_ghostly_scholar (100%)

frozenshadow_32, range=93 (563,857,26)

frozenshadow_41, range=145 (452,858,23)

a_ghostly_student (50%)
a_ghostly_student (50%)

frozenshadow_69, range=186 (747,796,75)

#an_angry_chef (50%)
a_skeleton_sleeper (50%)

frozenshadow_70, range=187 (749,743,75)

a_skeleton_sleeper (100%)