Stone Dragon Statue

Large Construct, Unaligned

AC: 17

Initiative: -1 (9)

HP: 178 (17d10 + 85)

Speed: 30 ft.

STR
22 (+6)
DEX
9 (-1)
CON
20 (+5)
INT
3 (-4)
WIS
11 (+0)
CHA
1 (-5)

Immunities: poison; psychic; bludgeoning, piercing, slashing from nonmagical attacks that aren't adamantine

Condition Immunities: charmed; exhaustion; frightened; paralyzed; petrified; poisoned

Senses: darkvision 120 ft., Passive Perception 10

Languages: understands the languages of its creator but can't speak

CR: 10 (XP 5,900; PB +4)

Immutable Form.

The statue is immune to any spell or effect that would alter its form.

Magic Resistance.

The statue has advantage on saving throws against spells and other magical effects.

Magic Weapons.

The statue's weapon attacks are magical.

Actions

Steam Breath.

The statue exhales steam in a line that is 30 feet long and 10 feet wide. Each creature in that area must make a DC 15 Constitution saving throw, taking 7 (2d4 + 2) fire damage on a failed save, or half as much damage on a successful one.

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Stone Dragon Statue

Source: Tales from the Yawning Portal, p. 85 - Licenses and attribution