NPCs composing that spawngroup :

an_Isle_defender (100%)

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

thundercrest_monocle_141, range=158 (2103,1890,-46)

thundercrest_monocle_151, range=159 (2094,1940,-46)

thundercrest_monocle_160, range=24 (1927,1904,-6)

thundercrest_monocle_200, range=90 (1962,1976,-7)

thundercrest_monocle_202, range=127 (2021,1989,-6)

thundercrest_monocle_204, range=177 (2048,2032,-7)

thundercrest_monocle_206, range=47 (1990,1872,-6)

thundercrest_monocle_208, range=46 (1962,1844,-6)

thundercrest_monocle_14_0, range=158 (2103,1890,-46)

thundercrest_monocle_14_4, range=171 (2112,1923,-46)

thundercrest_monocle_14_5, range=175 (2101,1966,-46)

thundercrest_monocle_14_11, range=105 (2048,1908,-51)

thundercrest_288019, range=35 (1970,1861,-5)

thundercrest_288020, range=47 (1990,1872,-4)

thundercrest_288021, range=90 (1962,1976,-8)

thundercrest_288022, range=115 (1952,2002,-4)

thundercrest_288024, range=127 (2021,1989,-5)

thundercrest_288025, range=158 (2103,1890,-46)

thundercrest_288026, range=190 (2019,2062,-8)