NPCs composing that spawngroup :

a_grimling_bloodguard (100%)

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

a_possessed_corpse_1432277, range=91 (-579,-75,-16)

a_possessed_corpse (2%)

acrylia1232015, range=52 (-688,-108,-15)

acrylia1232014, range=38 (-669,-21,-15)

acrylia1232013, range=72 (-702,5,-16)

acrylia_287778, range=21 (-655,-43,-15)

a_grimling_bloodpriest (15%)
a_grimling_soulsoother (85%)