NPCs composing that spawngroup :

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

mischiefplane_12, range=51 (-6,-466,147)

a_dastardly_rascal (50%)

mischiefplane_127, range=1 (44,-477,118)

a_clever_sphinx (50%)

mischiefplane_131, range=64 (97,-515,148)

a_false_treasure_chest (50%)

mischiefplane_133, range=91 (102,-549,149)

a_gorilla_scholar (50%)

mischiefplane_138, range=99 (93,-392,121)

#a_fraudulent_chest (50%)
a_false_treasure_chest (50%)

mischiefplaneKrupple00032379483, range=46 (14,-442,117)

Krupple (50%)

mischiefplaneBob_the_painter00034218643, range=40 (15,-450,117)

Bob_the_Painter (50%)

mischiefplaneRatman_Rager00041469437, range=87 (24,-394,72)

a_Ratfink (50%)
a_Ratling (50%)
Ratman_Rager (50%)
Teriling (50%)