NPCs composing that spawngroup :

an_Isle_defender (100%)

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

thundercrest_monocle_121, range=61 (-430,-1209,295)

thundercrest_monocle_123, range=59 (-550,-1209,295)

thundercrest_monocle_125, range=123 (-430,-1102,295)

thundercrest_monocle_127, range=122 (-550,-1102,295)

thundercrest_monocle_129, range=142 (-491,-1351,310)

thundercrest_monocle_131, range=193 (-491,-1016,300)

thundercrest_monocle_135, range=134 (-491,-1075,295)

thundercrest_monocle_5_139, range=66 (-491,-1143,297)

thundercrest_monocle_5_147, range=122 (-550,-1102,295)

thundercrest_monocle_6_80, range=59 (-550,-1209,295)

thundercrest_monocle_6_81, range=123 (-430,-1102,295)

thundercrest_monocle_6_82, range=122 (-550,-1102,295)

thundercrest_monocle_7_98, range=59 (-550,-1209,295)

thundercrest_monocle_7_102, range=61 (-430,-1209,295)

thundercrest_monocle_7_105, range=123 (-430,-1102,295)

thundercrest_monocle_12_154, range=123 (-430,-1102,295)

thundercrest_monocle_12_163, range=122 (-550,-1102,295)