NPCs composing that spawngroup :

froglok_gaz_knight (33%)

froglok_shin_shaman (33%)

froglok_shin_shaman (34%)

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

swampofnohope_171, range=98 (-869,-1602,27)

froglok_gaz_knight (50%)
froglok_shin_shaman (50%)

swampofnohope_173, range=98 (-691,-1671,27)