*'''IS_METAL''' - determines whether the item made of the material is susceptible to [[rust]], and repairable by a [[Ikiros|smith]].
*'''IS_SCARY''' - monsters will actively avoid coming into contact with this material (current only applies to [[brown gas]].)
*'''IS_SPARKLING''' - generates sparkles around the object now and then, and makes any object made of it attractive to [[Giant Magpie|giant magpie]]s.
[[category:Game Mechanics]]