NPCs composing that spawngroup :

a_lava_beetle (100%)

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

soldungc2780035, range=191 (387,488,-9)

soldungc2780036, range=129 (403,550,-8)

soldungc2780037, range=91 (449,570,-9)

soldungc2780038, range=72 (404,647,-18)

soldungc2780040, range=47 (462,702,-23)

soldungc2780041, range=85 (415,717,-23)

soldungc2780042, range=150 (410,792,-23)

soldungc2780043, range=132 (471,789,-23)

soldungc2780044, range=153 (442,807,-10)