NPCs composing that spawngroup :

a_sewer_rat (100%)

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

qcat_3, range=23 (551,-104,-82)

qcat_7, range=152 (698,-7,-80)

a_sewer_rat (100%)
a_sewer_rat (100%)

qcat_9, range=101 (500,-167,-80)

a_fire_beetle (50%)
a_sewer_rat (50%)

qcat_11, range=194 (763,-135,-81)

a_smuggler (100%)

qcat_12, range=166 (735,-133,-81)

a_ring_leader (50%)
a_smuggler (50%)

qcat_14, range=192 (453,-245,-37)

a_spectre (100%)

qcat_15, range=191 (426,-217,-37)

a_spectre (100%)
a_spectre (100%)

qcat_18, range=161 (734,-104,-39)

a_mossy_skeleton (50%)
Ronn_Castekin (50%)

qcat_20, range=174 (414,-24,-37)

#a_zombie (25%)
a_gelatinous_cube (75%)

qcat_31, range=188 (496,77,-52)

a_fish (100%)
a_fish (100%)

qcat_35, range=128 (496,7,-40)

a_green_snake (100%)

qcat_38, range=114 (483,-166,-81)

a_thug (50%)
a_thug_leader (50%)

qcat_39, range=90 (500,-149,-81)

a_thug (50%)
a_thug_leader (50%)

qcat_44, range=107 (538,6,-40)

a_fire_beetle (100%)
a_fire_beetle (100%)

qcat_46, range=159 (664,36,-87)

a_shark (100%)

qcat_48, range=86 (650,-56,-82)

a_large_snake (100%)

qcat_85, range=194 (704,48,-81)

Omorb (50%)
Riggin_Vix (50%)

#Coord_Inv_189202, range=179 (441,-217,-39)

#Azi_pop (16%)
#Coord_Inv (16%)
#Nec_pop (16%)
#Rat_popa (16%)
#Rat_popb (16%)
#Zom_pop (20%)