NPCs composing that spawngroup :

#Hsranitu_the_Webspinner (10%)

Eric_Von_Schnelling (10%)

Hidagard_the_Dark_Martyr (10%)

Lesser_Orc_Chieftain (10%)

Notable_Shadowmane (70%)

Orc_Chieftain (60%)

Shadowmane_Advisor (10%)

Shadowmane_Sage (70%)

Shiliskin_Councilor (10%)

Skeletal_Functionary (10%)

Skeletal_Scribe (10%)

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

dreadspire63524, range=86 (3386,15,101)

#Grumblebum (5%)
a_servant (95%)

dreadspire63525, range=84 (3386,-15,101)

#Grumblebum (5%)
a_servant (95%)

dreadspire63529, range=49 (3438,32,100)

#Melion_Pell,_Minor_Functionary (100%)

dreadspire63530, range=45 (3426,-18,100)

#Doorman (100%)

dreadspire63531, range=74 (3455,66,100)

a_shadowmane_mender (100%)

dreadspire63532, range=56 (3434,-50,100)

a_shadowmane_steelclaw (100%)

dreadspire63533, range=25 (3454,14,100)

a_shadowmane_mender (100%)

dreadspire63534, range=86 (3486,79,100)

a_shadowmane_shaman (100%)

dreadspire63536, range=38 (3460,-43,100)

a_shadowmane_mender (100%)

dreadspire63537, range=89 (3503,77,100)

a_shadowmane_softpaw (100%)

dreadspire63538, range=31 (3487,19,99)

#Chef_Ioan (5%)
a_dinner_guest (95%)

dreadspire63539, range=73 (3464,-79,100)

a_shadowmane_softpaw (100%)

dreadspire63540, range=22 (3491,0,98)

#Chef_Ioan (5%)
a_dinner_guest (95%)

dreadspire63541, range=22 (3485,-24,99)

#Chef_Ioan (5%)
a_dinner_guest (95%)

dreadspire63542, range=23 (3493,-5,99)

#Chef_Ioan (5%)
a_dinner_guest (95%)

dreadspire63543, range=74 (3484,-79,100)

dreadspire63545, range=52 (3509,-41,99)

#Alex_Hutchison (5%)
a_guest_of_Dreadspire (95%)

dreadspire63546, range=65 (3522,-44,100)

a_shadowmane_softpaw (100%)

dreadspire63547, range=70 (3539,3,100)

a_shadowmane_softpaw (100%)

dreadspire63548, range=87 (3518,67,101)

dreadspire63549, range=64 (3493,-66,101)

dreadspire_monocle_1_3, range=84 (3386,-15,101)

a_distorted_watcher (100%)

dreadspire_monocle_1_4, range=86 (3386,15,101)

a_distorted_watcher (100%)