NPCs composing that spawngroup :

a_crystal_gargoyle (100%)

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

velketor_a_crystalline_gargoyle49, range=10 (-34,156,10)

a_crystalline_gargoyle (100%)
a_crystalline_gargoyle (100%)

gargs and golems, range=84 (55,132,-39)

velketor_223643, range=76 (-35,71,-73)

a_velium_stalker (85%)
The_Brood_Master (15%)

velketor_223671, range=88 (-22,235,6)

velketor_223675, range=62 (-16,86,-31)

velketor_223682, range=87 (-28,60,-73)

a_velium_broodling (50%)
a_velium_hunter (50%)

velketor_223683, range=62 (-28,85,-73)

a_velium_broodling (50%)
a_velium_stalker (50%)

velketor_224254, range=10 (-34,138,11)