RUMBLETiGER
Adventurer
"You'll hide within Daern's Instant Fortress you say? My Mount has been hungry, thank you!"They're still impressive against metal gates, doors, and obstructions - as well as the average metal using warrior class, despite their low hit point total.
I've personally used them to great effect as a DM.
[sblock]Because nothing is more fearsome as a dozen rust monsters being launched via catapult at your pretty iron-based defenses, Mr. Dispater.[/sblock]
After reading [MENTION=85158]Dandu[/MENTION] 's Devil Dogs, I really want to Featherfall Rust Monsters off an airship!