A rust monster never provokes attacks of opportunity by attempting to strike a weapon with its antennae. The Rust Monster (MM p.262) can inflict a "permanent and cumulative -1 penalty" to the damage of weapons, or to the AC of armor or shields.

Challenge 0 (0–10 XP) Awakened shrub Baboon Badger Bat Cat Commoner Crab Crawling claw Deer Eagle Frog Giant fire beetle Goat Hawk Homunculus Hyena Jackal Lemure Lizard Myconid sprout Octopus Owl Quipper Rat Raven Scorpion Sea horse Shrieker Spider Vulture Weasel Challenge 1/8 (25 XP) Bandit Blood hawk Camel … If the object isn't being worn or carried, the touch destroys a 1-foot cube of it. If the object is being worn or carried by a creature, the creature can make a DC 11 Dexterity saving throw to avoid the rust monster's touch. D&D Monsters by Type This document lists the creatures in the Monster Manual by type. Is there any way to repair this damage?
The monsters are in alphabetical order. If you dare to know, step into this cave, where the terrible beast guards the greatest treasure. The rust monster corrodes a nonmagical ferrous metal object it can see within 5 feet of it. This channel is all about gaming. Why are dragons the most iconic monster of all? Rust (Su) A rust monster‘s antennae are a primary touch attack that causes any metal object they touch to swiftly rust and corrode. Going off 5e rules, a rust monser is a cr 1/2, and an Iron Golem is a cr 16. If the object isn't being worn or carried, the touch destroys a 1-foot cube of it. According to the Monster Manual: Antennae. dnd-5e …

This index organizes the monsters in the Monster Manual by challenge rating. The lists include the challenge rating of each monster and any tags it has. Interesting question. Mostly tabletop gaming, featuring systems from Dungeons & Dragons, Pathfinder, Firefly, Kobolds ate my Baby and more. Check out our other SRD sites!

SRD Rules Reference for Dungeons & Dragons 5th Edition. The object touched takes half its maximum hp in damage and gains the broken condition—a second hit destroys the item. Traveller SRD | Swords and Wizardry SRD | 5th Edition SRD | Dungeon World SRD | 13th Age SRD | d20HeroSRD | The Modern Path SRD | d20PFSRD | 3.5e SRD | GumshoeSRD | FateCoreSRD | Starjammer SRD | OGN Articles | Design Finder 2018 | Fudge SRD | Here Be Monsters | d20 Anime SRD | PF2 SRD The rust monster corrodes a nonmagical ferrous metal object it can see within 5 feet of it.