Stone Guardian

Large Construct

Armor Class 17

Hit Points 178 (17d10+85)

Speed walk +30

Challenge 10

STR
22
+6
DEX
10
+0
CON
20
+5
INT
3
-4
WIS
12
+1
CHA
1
-5

Damage Immunities poison, psychic; damage from nonmagical, non-adamantine weapons

Condition Immunities charmed, fatigue, frightened, paralyzed, petrified, poisoned

Senses darkvision 120 ft., passive Perception 11

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

Special Abilities

Immutable Form. The guardian is immune to any effect that would alter its form.

Magic Resistance. The guardian has advantage on saving throws against spells and magical effects.

Constructed Nature. Guardians dont require air, sustenance, or sleep.

Actions

Multiattack. The guardian attacks twice with its slam.

Slam. Melee Weapon Attack: +10 to hit, reach 5 ft., one target. Hit: 19 (3d8 + 6) bludgeoning damage.

Rock. Ranged Weapon Attack: +10 to hit, range 60/240 ft., one target. Hit: 30 (7d6 + 6) bludgeoning damage. The target makes a DC 18 Strength saving throw falling prone on a failure.

Bonus Actions

Slow (Recharge 5-6). The guardian targets one or more creatures within 30 feet. Each target makes a DC 17 Wisdom saving throw. On a failure, the target is slowed for 1 minute. A target can repeat the saving throw at the end of each of its turns, ending the effect on itself on a success.

Source: Level Up Advanced 5e Monstrous Menagerie · OGL/Open