NPCs composing that spawngroup :

an_emaciated_zombie (50%)

a_deadly_skeletal_sailor (50%)

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

gunthak2240338, range=46 (-784,-190,19)

gunthak2240339, range=172 (-651,-223,19)

an_emaciated_zombie (50%)
a_savage_skeletal_sailor (50%)

gunthak2240352, range=156 (-724,-283,20)

a_pestilent_troll_zombie (50%)
a_vicious_skeleton (50%)

gunthak2240355, range=94 (-730,-205,19)

an_emaciated_zombie (50%)
a_vicious_skeleton (50%)

gunthak2240358, range=167 (-974,-146,19)

a_Broken_Skull_scorpion (100%)

gunthak2240371, range=106 (-709,-109,19)

gunthak2240372, range=177 (-935,-273,19)

a_Broken_Skull_mosquito (50%)
a_Broken_Skull_nifilik (50%)

gunthak2240380, range=100 (-731,-85,20)

gunthak2240382, range=136 (-718,-47,19)