NPCs composing that spawngroup :

Boomba_the_Big (100%)

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

freportw_19, range=77 (-50,-105,-25)

freportw_26, range=35 (-4,-3,-25)

freportw_28, range=95 (-35,-127,-25)

freportw_49, range=46 (-39,12,-25)

freportw_102, range=85 (-64,-107,-11)

freportw_103, range=61 (-4,26,-25)

freportw_123, range=80 (55,-38,-25)

freportw_130, range=43 (7,-1,-22)