df_underworld_items.abm_neighbors = {} -- common nodes that can be found next to pit plasma, triggering matter degradation -- don't trigger on air, that's for sparkle generation df_underworld_items.abm_neighbors.pit_plasma = {"group:stone", "df_underworld_items:glow_amethyst", "group:lava", "group:water"} -- This stuff should only be used during initialization minetest.after(0, function() df_underworld_items.node_name = nil end)