Bog Iron

Large construct, neutral

Armor Class 17 (natural armor)

Hit Points 136 (13d10 + 65)

Speed 30 ft.

STR 21 (+5) · DEX 8 (−1) · CON 20 (+5) · INT 10 (+0) · WIS 14 (+2) · CHA 12 (+1)

Saving Throws Str +8, Con +8, Wis +5

Damage Resistances Bludgeoning, Piercing, and Slashing from Nonmagical Attacks

Damage Immunities Poison, Psychic

Condition Immunities Charmed, Exhaustion, Frightened, Paralyzed, Petrified, Poisoned

Senses Darkvision: 60 ft., passive Perception 12

Languages Understands Common but doesn't speak

Challenge 7

Traits

Immutable Form. The Bog Iron is immune to any spell or effect that would alter its form.

Metal Body. The Bog Iron's metal body grants it resistance to fire damage and vulnerability to lightning damage.

Magic Weapons. The Bog Iron's weapon attacks are magical.

Earthshaking Steps. When the Bog Iron moves, it can choose to cause the ground within 10 feet of it to tremble. Creatures on the ground within this area must succeed on a DC 16 Strength saving throw or be knocked prone.

Guarded Mind. The Bog Iron is immune to scrying and to any effect that would sense its emotions, read its thoughts, or detect its location.

Actions

Multiattack. The Bog Iron makes two Slam attacks.

Slam. Melee Weapon Attack: +8 to hit, reach 10 ft., one target.

Hit: 16 (2d10 + 5) bludgeoning damage.

Ground Pound (Recharge 5–6). The Bog Iron slams the ground forcefully, creating a shockwave. Each creature within 20 feet of the Bog Iron must make a DC 16 Dexterity saving throw. On a failed save, a creature takes 22 (4d8 + 4) bludgeoning damage and is knocked prone. On a successful save, the creature takes half as much damage and isn't knocked prone. Objects and structures in the area take double damage.

Reactions

Magnetic Pull. When a creature within 30 feet of the Bog Iron hits it with a metal weapon attack, the Bog Iron can use its reaction to pull the weapon toward it. The attacker must succeed on a DC 16 Strength saving throw or be disarmed as the weapon sticks to the Bog Iron's body.

### Weakness

Melody Bound. If a creature within 60 feet plays the specific melody on the magical flute, the Bog Iron must succeed on a DC 14 Wisdom saving throw or be charmed by the performer for as long as the music continues. While charmed in this way, the Bog Iron follows the performer's commands to the best of its ability.

Lore

A metallic giant inhabiting swamps or marshy forests, fiercely protecting its territory from intruders.

The lands of Eastern Europe have always been covered with dense forests, numerous lakes, and swamps rich not only in berries, mushrooms, and game but also in bog iron ore. As soon as people learned to extract iron from the bog ore, they began crafting tools, household utensils, and weapons. Since metal objects and tools made human labor easier, the swamps gained people's respect. Previously, swamps were considered cursed places where people disappeared. It was believed that only evil spirits and demons dwelled there, and it was best not to venture into them at all. Around this time, the belief emerged in a mythical giant spirit, the guardian of the swampy forests, whom the people called the Bog Iron.

Legends describe the Bog Iron as a giant taller than any strongman, often endowing him with the properties of metal: hardness, rigidity, coldness, which bred ruthlessness and hostility.

From The Witchwood Bestiary 5E, p. 34 · Fern Flower Press