NPCs composing that spawngroup :

a_firevenom_crawler (100%)

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

soldungc2780018, range=90 (127,920,-26)

soldungc2780019, range=58 (193,923,-26)

soldungc2780022, range=71 (128,860,-26)

soldungc2780024, range=69 (155,811,-26)

soldungc2780026, range=86 (243,791,-32)

soldungc2780206, range=76 (255,812,-32)