Page 263 - Monster Manual [11th Print]

RUST O N S T E R
M
Medium monstrosity, unaligned
o
Most dwarves would rather face a squad f ores than
confront a single rust monster. These strange, normally Armor Class 4 (natural armor)
1
docile creatures corrode ferrous metals, then gobble up Hit Points 27 (5d8 + 5)
the rust they create. In doing so, they have ruined the Speed 40 ft.
armor, shields, and weapons of countless adventurers.
A rust monster's body is covered in thick, lumpy STR DEX CON INT WIS CHA
armor, its long tail ends in a bony protrusion, and two 1 3 (+l) 12 (+l) 13 (+l) 2 (-4) 1 3 (+l) 6 (-2)
feathery antennae sprout from its insectile head.
1
U n derground Scavengers. Rust monsters roam Senses darkvision 60 ft., passive Perception 1
subterranean passages in search of ferrous metals such Languages -
as iron, steel, adamantine, and mithral to consume. Challenge 1/2 (100 XP)
They ignore creatures not carrying such metals, but can
become aggressive toward those bearing steel weapons Iron Scent. The rust monster can pinpoint, by scent, the
and armor. A rust monster can smell its food at a location of ferrous metal within 30 f e et of it.
distance, immediately dashing toward the scent's source Rust Metal. Any nonmagical weapon made of metal that i ts
h
to corrode and consume the object. the rust monster corrodes. After dealing damage, the weapon
A rust monster doesn't care if the rust it consumes takes a permanent and cumulative -1 penalty to damage rolls.
comes from a spike or a sword. Adventurers can distract If its penalty drops to -5, the weapon is destroyed. Nonmagical
the creature by dropping ferrous objects behind them. ammunition made of metal that hits the rust monster is
Subterranean W a nderers. Rust monsters are rarely destroyed after dealing damage.
found in large numbers, preferring to hunt alone or in
T
small groups. They meander along tunnels, moving AC I O N S
from cave to cave in their tireless search for ferrous Bite. Melee Weapon Attack: 3 to i t, reach 5 ft., one target.
h
+
metals to consume. Their wanderings often bring them Hit: 5 (ld8 + l) piercing damage.
into contact with other Underdark denizens that find
them harmless or unappetizing. Thus, rust monsters Antennae. The rust monster corrodes a nonmagical ferrous
may be found in close proximity to other subterranean metal object it can see within 5 feet of it. If the object isn't
monsters. If they are well treated and well fed, they can being worn or carried, the touch destroys a 1 - foot cube of it. If
also become friendly companions or pets. 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.
If the object touched is either metal armor or a metal shield
being worn or carried, its takes a permanent and cumulative
-1 penalty to the AC it offers. Armor reduced to an AC of l 0
or a shield that drops to a +O bonus is destroyed. If the object
touched is a held metal weapon, it rusts as described in the
Rust Metal trait.

RUST MONSTER