NPCs composing that spawngroup :

a_zombie (20%)

a_zombie (20%)

decaying_swordsman (20%)

fallen_advisor (20%)

tainted_swordsman (20%)

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

kithicor_42, range=16 (-194,1239,154)

kithicor_43, range=61 (-249,1183,150)

kithicor_45, range=46 (-238,1194,151)

kithicor_46, range=14 (-216,1216,153)

kithicor_47, range=30 (-227,1205,152)

kithicor_49, range=59 (-264,1235,152)

a_lesser_mummy (50%)
a_skeleton (50%)

kithicor_50, range=70 (-275,1224,152)