NPCs composing that spawngroup :

an_abhorrent (100%)

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

spawn20347, range=35 (-25,-342,-103)

spawn19758, range=127 (-159,-267,6)

spawn17988, range=136 (-193,-318,6)

spawn17985, range=175 (62,-221,104)

spawn16743, range=164 (-221,-311,5)

spawn16739, range=157 (-205,-286,5)

spawn16737, range=160 (-167,-227,30)

spawn16202, range=159 (-148,-214,2)

spawn16200, range=68 (-67,-279,28)

spawn13526, range=115 (55,-350,4)

spawn13522, range=97 (-59,-444,104)

spawn11350, range=120 (-75,-467,105)

spawn11349, range=128 (66,-323,103)

spawn10232, range=102 (-1,-263,99)

spawn10016, range=120 (-26,-231,5)

spawn10011, range=107 (-73,-454,105)

spawn10010, range=192 (-9,-161,103)

Suddenly_189341, range=120 (-147,-431,103)

Suddenly_189342, range=105 (-108,-253,101)

You_really_189350, range=102 (-108,-257,4)