Earth Elemental

Large Elemental, Neutral

AC 17     Initiative −1 (9)
HP 147 (14d10 + 70)
Speed 30 ft., Burrow 30 ft.

Ability Scores
STR 20 (+5) Save +5    DEX 8 (−1) Save −1    CON 20 (+5) Save +5
INT 5 (−3) Save −3    WIS 10 (+0) Save +0    CHA 5 (−3) Save −3

Vulnerabilities Thunder
Immunities Poison; Exhaustion, Paralyzed, Petrified, Poisoned, Unconscious
Senses Darkvision 60 ft., Tremorsense 60 ft.; Passive Perception 10
Languages Primordial (Terran)
CR 5 (XP 1,800; PB +3)

Traits
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 attacks, using Slam or Rock Launch in any combination.
Slam. Melee Attack Roll: +8, reach 10 ft. Hit: 14 (2d8 + 5) Bludgeoning damage.
Rock Launch. Ranged Attack Roll: +8, range 60 ft. Hit: 8 (1d6 + 5) Bludgeoning damage. If the target is a Large or smaller creature, it has the Prone condition.