NPCs composing that spawngroup :

a_blizzard_spider (25%)

a_crystalline_watcher (25%)

a_fierce_blizzard_hunter (25%)

a_shard_spider (25%)

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

velketor_1, range=142 (270,-76,-188)

velketor_27, range=164 (134,-78,-85)

velketor_34, range=198 (121,-110,-85)

velketor_52, range=185 (55,132,-38)

velketor_53, range=118 (107,47,8)

a_crystal_gargoyle (100%)

velketor_55, range=89 (178,135,-54)

Velketor_the_Sorcerer (100%)

velketor_59, range=145 (129,-50,-30)

velketor_61, range=28 (197,66,-112)

a_velium_stalker (50%)
The_Brood_Master (50%)

velketor_62, range=146 (79,60,-73)

velketor_63, range=44 (183,74,-112)

velketor_64, range=135 (140,-46,-92)

velketor_65, range=171 (194,-110,-112)

velketor_68, range=165 (174,-98,-31)

Bjoron_Axefall (100%)

velketor_69, range=174 (169,-106,-31)

Khlem_Alestone (100%)

velketor_70, range=192 (120,-102,-31)

Brumen_Firehammer (100%)

velketor_71, range=179 (146,-102,-31)

Dlemin_Whiteforge (100%)

velketor_85, range=175 (88,-50,-29)

velketor_86, range=122 (170,-50,-29)

velketor_90, range=142 (85,32,6)

a_crystal_guardian (50%)
Rijoely (50%)

velketor_92, range=74 (172,112,6)

velketor_93, range=104 (140,-1,10)

velketor_94, range=132 (172,180,-58)

Crystal_Guardian (100%)
Crystal_Guardian (100%)

velketor_96, range=125 (182,-59,-109)

a_large_crystal_shard (50%)
a_large_crystal_shard (50%)

velketor_99, range=181 (401,14,-185)

a_crystalline_statue (100%)
a_crystalline_statue (100%)

two_189760, range=106 (198,-44,-109)

The_walls (50%)
two (50%)

six_189764, range=64 (179,14,-109)

A_chill (50%)
six (50%)

velketor_99115, range=185 (410,70,35)

velketor_275116, range=171 (179,-106,-31)

Drella_Stonegrinder (100%)