{ "name": "rust metal (feature)", "text": "Any nonmagical weapon made of metal that hits the rust monster corrodes. After dealing damage, the weapon takes a permanent and cumulative −1 penalty to damage rolls. If its penalty drops to −5, the weapon is destroyed. Nonmagical ammunition made of metal that hits the rust monster is destroyed after dealing damage.", "subfeatures": [ { "trigger": [], "conditions": [], "effects": [{ "target": "", "effect": [], "duration": "" }] } ] }