NPCs composing that spawngroup :

Velketor_the_Sorcerer (100%)

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

velketor_1, range=145 (303,60,35)

velketor_52, range=123 (55,132,-38)

velketor_53, range=113 (107,47,8)

a_crystal_gargoyle (100%)

velketor_54, range=168 (12,106,5)

a_crystalline_gargoyle (100%)

velketor_56, range=198 (19,16,134)

an_icy_watcher (50%)
a_crystalline_gargoyle (50%)

velketor_59, range=199 (0,46,60)

velketor_61, range=71 (197,66,-112)

a_velium_stalker (50%)
The_Brood_Master (50%)

velketor_62, range=124 (79,60,-73)

velketor_63, range=61 (183,74,-112)

velketor_64, range=184 (140,-46,-92)

a_velium_broodling (50%)
a_velium_hunter (50%)

velketor_65, range=104 (105,60,-73)

velketor_86, range=185 (170,-50,-29)

velketor_89, range=172 (38,235,6)

velketor_90, range=138 (85,32,6)

a_crystal_guardian (50%)
Rijoely (50%)

velketor_92, range=23 (172,112,6)

velketor_93, range=141 (140,-1,10)

velketor_94, range=45 (172,180,-58)

Crystal_Guardian (100%)
Crystal_Guardian (100%)

velketor_95, range=160 (18,139,11)

an_icy_watcher (100%)

velketor_96, range=194 (182,-59,-109)

a_large_crystal_shard (50%)
a_large_crystal_shard (50%)

two_189760, range=180 (198,-44,-109)

The_walls (50%)
two (50%)

six_189764, range=121 (179,14,-109)

A_chill (50%)
six (50%)

velketor_99114, range=89 (225,59,-187)