NPCs composing that spawngroup : a_formless_terror (100%)

NPCs spawning around that spawngroup : (Max range : 100) necropolis_44, range=6 (1465,664,-155) an_amorphous_mass (50%) an_amorphous_mass (50%) necropolis_45, range=14 (1457,656,-155) an_amorphous_mass (50%) an_amorphous_mass (50%) an_inactive_trap_190123, range=98 (1412,582,-153) an_alarm (10%) an_explosion (10%) an_inactive_trap (10%) a_blast_of_heat (10%) a_dark_entity (10%) a_formless_terror (10%) a_magi_construct (10%) a_null_field (10%) a_wardstone (10%) a_wizard_construct (10%) an_inactive_trap_190124, range=0 (1471,661,-153) an_alarm (14%) an_inactive_trap (14%) a_magi_construct (14%) a_null_field (14%) a_tanglefoot_trap (14%) a_wardstone (16%) a_wave_of_cold (14%) necropolis_a_wizard_construct21, range=98 (1412,582,-157) a_wizard_construct (100%)