if minetest.get_modpath("lucky_block") then
lucky_block:add_blocks({
{"spw", "mobs:npc", 1, true, true},
{"spw", "mobs:igor", 1, true, true, 5, "Igor"},
{"spw", "mobs:trader", 1, false, false},
{"lig", "fire:permanent_flame"}
})
end