NPCs composing that spawngroup :

a_corrupted_drake (100%)

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

thenest97676, range=51 (-3521,613,-351)

thenest97677, range=65 (-3547,587,-356)

thenest97678, range=81 (-3536,731,-352)

thenest97680, range=95 (-3575,745,-353)