Iron Cobra

Small construct, neutral

Armor Class 13 (natural armor)
Hit Points 27 (6d6 + 6)
Speed 40 ft.

12 (+1) 15 (+2) 13 (+1) 5 (-3) 12 (+1) 1 (-5)

Skills Perception +3, Stealth +4
Damage Immunities poison, psychic; bludgeoning, piercing, and slashing from nonmagical weapons that aren’t adamantine
Condition Immunities charmed, exhaustion, frightened, paralyzed, petrified, poisoned
Senses darkvision 60 ft., passive Perception 13
Languages understands the languages of its creator but can’t speak
Challenge 1 (200 XP)

Special Traits

  • Find Target. The iron cobra knows the location of a specific target creature as long as that creature is within 1 mile of it. If the creature is moving, it knows the direction if that creature’s movement. If the target is beyond this distance, the iron cobra can’t locate the target creature.
  • Immutable Form. The iron cobra is immune to any spell or effect that would alter its form.
  • Magic Resistance. The iron cobra has advantage on saving throws against spells and other magical effects.
  • Magic Weapon. The iron cobra’s weapon attacks are magical.
  • Poison. The iron cobra contains enough venom for three attacks. After that, it does not deal the poison damage listed in its bite attack.


  • Bite. Melee Weapon Attack: +4 to hit, reach 5 ft., one target. Hit: 7 (2d4 + 2) piercing damage, and the target must make a DC 11 Constitution saving throw, taking 10 (3d6) poison damage on a failed saving throw, or half as much damage on a successful one.


This creature resembles a small metallic cobra. Its body sheens with a silver hue and its eyes are small pinpoints of red light.

The iron cobra is a construct that resembles a small, 3-foot-long cobra. Its eyes give it an evil and determined – and almost intelligent – look. The iron cobra is most often used to guard a treasure or to act as a bodyguard to its creator, though on some occasions it can be ordered to track down and slay any creature who is within 1 mile and whose name is known by the creator.

The iron cobra attacks by biting its opponent.

Section 15: Copyright Notice

Tome of Horrors © 2018, Frog God Games, LLC; Authors: Kevin Baase, Erica Balsley, John “Pexx” Barnhouse, Christopher Bishop, Casey Christofferson, Jim Collura, Andrea Costantini, Jayson ‘Rocky' Gardner, Zach Glazar, Meghan Greene, Scott Greene, Lance Hawvermale, Travis Hawvermale, Ian S. Johnston, Bill Kenower, Patrick Lawinger, Rhiannon Louve, Ian McGarty, Edwin Nagy, James Patterson, Nathan Paul, Patrick N. Pilgrim, Clark Peterson, Anthony Pryor, Greg Ragland, Robert Schwalb, G. Scott Swift, Greg A. Vaughan, and Bill Webb

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