MM page 124
Elemental, Earth CR: 5 (1,800 XP)
Large elemental, neutral
Armor Class: 17 (natural armour)
Hit Points: 126 (12d10 + 60) 12d10+60
Speed:
30 ft
, burrow: 30 ft
Skills: Proficiency Bonus +3
Damage Vulnerabilities: Thunder
Damage Resistances: Bludgeoning, Piercing, and Slashing from Nonmagical Attacks
Damage Immunities: Poison
Condition Immunities: Exhaustion, Paralyzed, Petrified, Poisoned, Unconscious
Senses: Darkvision 60 ft., Tremorsense 60 ft., Passive Perception 10
Languages: Terran
Challenge Rating: 5 (1,800 XP)
Earth Glide. The elemental can burrow through nonmagical, unworked earth and stone. While doing so, the elemental doesn't disturb the material it moves through.
Siege Monster. The elemental deals double damage to objects and structures.
Actions
Multiattack. The elemental makes two slam attacks.
Slam. Melee Weapon Attack: +8 to hit, reach 10 ft., one target. Hit: 14 (2d8 + 5) 2d8+5 bludgeoning damage.
These elementals had a vaguely humanoid shape, with club-like arms made of jagged stone and a head made of both dirt and stone. Occasionally chunks of minerals, gems, or metals were set within their stony bodies.
Their bodies typically moved at a slow, trodding pace.