Ruin Grinder

Large Construct, Unaligned

AC: 16

Initiative: +1 (11)

HP: 82 (11d10 + 22)

Speed: 30 ft., burrow 30 ft.

STR
22 (+6)
DEX
13 (+1)
CON
15 (+2)
INT
3 (-4)
WIS
10 (+0)
CHA
1 (-5)

Immunities: fire; poison

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

Senses: blindsight 60 ft. (blind beyond this radius), Passive Perception 10

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

CR: 5 (XP 1,800; PB +3)

Fire Absorption.

Whenever the ruin grinder is subjected to fire damage, it regains a number of hit points equal to half the fire damage dealt.

Siege Monster.

The ruin grinder deals double damage to objects and structures.

Tunneler.

The ruin grinder can burrow through solid rock at half its burrowing speed and leaves a 10-foot-diameter tunnel in its wake.

Actions

Multiattack.

The ruin grinder makes two Excavator attacks.

Excavator.

Melee Weapon Attack: +9 to hit, reach 5 ft., one target. Hit: 13 (2d6 + 6) force damage. If the target is a Huge or smaller creature, it must succeed on a DC 17 Strength saving throw or be pushed up to 10 feet away and knocked prone.

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Ruin Grinder

Source: Strixhaven: A Curriculum of Chaos, p. 211 - Licenses and attribution