NPCs composing that spawngroup :

a_barbed_bone_bonewalker (100%)

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

dreadspire63430, range=152 (3077,312,33)

dreadspire63449, range=136 (3132,340,5)

dreadspire63453, range=146 (3064,318,41)

dreadspire63454, range=155 (3159,333,-5)

dreadspire63465, range=146 (3064,318,41)

dreadspire_monocle_1_67, range=144 (3146,338,-1)

dreadspire_monocle_1_79, range=155 (3159,333,-4)

dreadspire_monocle_1_86, range=136 (3132,340,6)

dreadspire_monocle_1_95, range=152 (3077,312,34)

dreadspire_monocle_1_96, range=116 (3082,348,-63)

dreadspire_monocle_1_97, range=68 (3089,397,-62)

dreadspire_monocle_1_98, range=125 (3066,339,-63)

dreadspire_monocle_1_102, range=139 (3022,335,-62)

dreadspire_monocle_1_105, range=57 (3030,499,-47)

dreadspire_monocle_1_106, range=153 (2991,335,-62)

dreadspire_monocle_1_115, range=101 (2980,501,-52)

dreadspire_monocle_1_119, range=120 (2955,453,-62)

dreadspire_monocle_1_126, range=146 (2929,474,-62)