NPCs composing that spawngroup : lava_duct_crawler (100%)

NPCs spawning around that spawngroup : (Max range : 100) soldungb_31, range=87 (-989,-424,-5) sonic_bat (100%) soldungb_48, range=70 (-906,-337,-59) lava_beetle (100%) lava_beetle (100%) soldungb_63, range=27 (-1002,-346,-83) lava_duct_crawler (50%) stone_spider (50%)