NPCs composing that spawngroup :

a_rockhopper (100%)

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

HollowshGremlin1328174, range=83 (474,1967,82)

HollowshGremlin1328171, range=154 (389,1940,80)

a_rhinobeetle (50%)
a_rhinobeetle (50%)

HollowshGremlin1328156, range=191 (335,2137,78)

a_rockhopper (100%)

HollowshOwls2428028, range=1 (503,2045,108)

a_rockhopper (100%)

HollowshOwls2428156, range=191 (335,2137,78)

a_rockhopper (100%)

HollowshOwls2428171, range=154 (389,1940,80)

a_rhinobeetle (50%)
a_rhinobeetle (50%)

HollowshOwls2428174, range=83 (474,1967,82)

HollowshWolves1328028, range=1 (503,2045,108)

a_rockhopper (100%)

HollowshWolves1328156, range=191 (335,2137,78)

a_rockhopper (100%)

HollowshWolves1328171, range=154 (389,1940,80)

a_rhinobeetle (50%)
a_rhinobeetle (50%)

HollowshWolves1328174, range=83 (474,1967,82)