NPCs composing that spawngroup : a_greater_magma_rocklord (99%) Magma_Overlord (1%)

NPCs spawning around that spawngroup : (Max range : 100) pofire2170334, range=25 (19,948,-167) a_greater_flame_lord (99%) Flame_Overlord (1%) pofire2170577, range=91 (-46,929,-174) an_obsidian_lava_spider (50%) a_great_flame_lord (50%)