NPCs composing that spawngroup :

a_deathly_usher (50%)

a_will_pillager (50%)

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

mistmoore_133, range=91 (-99,44,-155)

a_jeering_gargoyle (50%)
a_leering_gargoyle (50%)

mistmoore_126, range=75 (-40,16,-185)

mistmoore_92, range=98 (-117,86,-155)

an_advisor (100%)

mistmoore_85, range=70 (29,37,-193)

a_glyphed_sentry (100%)

mistmoore_84, range=93 (29,9,-193)

a_glyphed_sentry (100%)

mistmoore_83, range=51 (-5,139,-193)

#Sir_Bronthas (100%)

mistmoore_81, range=71 (-89,74,-189)

mistmoore_74, range=64 (-83,83,-161)

mistmoore_70, range=42 (23,86,-193)

mistmoore_69, range=86 (-90,40,-189)

mistmoore_50, range=19 (-5,76,-194)

mistmoore_48, range=59 (29,54,-193)

a_deathly_herald (50%)
a_shadowy_scrivener (50%)

mistmoore_43, range=84 (-103,96,-155)

a_deathly_harbinger (50%)
a_deathly_herald (50%)

mistmoore_38, range=49 (-68,83,-189)

mistmoore_35, range=48 (-67,96,-155)

a_dark_librarian (50%)
a_dark_offerer (50%)

mistmoore_34, range=89 (10,173,-185)

a_deathly_herald (100%)

mistmoore_26, range=81 (-49,165,-193)

mistmoore_18, range=98 (-115,68,-155)

a_deathly_usher (50%)
a_shadowy_scribe (50%)

mistmoore_13, range=98 (-54,-3,-175)

mistmoore_4, range=50 (-69,80,-161)

a_dark_sacrificer (50%)
a_deathly_usher (50%)

mistmoore_1, range=62 (-66,130,-193)

a_deathly_usher (100%)

mistmoore_138, range=60 (-79,95,-186)

mistmoore_141, range=95 (-67,171,-193)

a_hemo_enologist (50%)
a_hemo_enologist (50%)

mistmoore_150, range=65 (-42,149,-193)

a_thought_spoiler (100%)