Large Elemental
Armor Class 17
Hit Points 157 (15d12+60)
Speed walk +30, burrow +30
Challenge 9
Damage Vulnerabilities thunder
Damage Resistances damage from nonmagical weapons
Damage Immunities poison
Condition Immunities fatigue, paralyzed, petrified, poisoned, unconscious
Senses darkvision 60 ft., passive Perception 10
Languages Terran
Earth Glide. The elemental can burrow through nonmagical, unworked earth and stone without disturbing it.
Siege Monster. The elemental deals double damage to objects and structures.
Elemental Nature. An elemental doesnt require air, sustenance, or sleep.
Multiattack. The elemental makes two slam attacks.
Slam. Melee Weapon Attack: +7 to hit, reach 10 ft., one target. Hit: 22 (4d8 + 4) bludgeoning damage.
Earths Embrace. Melee Weapon Attack: +7 to hit, reach 5 ft., one Large or smaller creature. Hit: 17 (2d12 + 4) bludgeoning damage and the target is grappled (escape DC 15). Until this grapple ends the elemental can't burrow or use Earths Embrace and its slam attacks are made with advantage against the grappled target.
Rock. Ranged Weapon Attack: +7 to hit, range 30/90 ft., one target. Hit: 15 (2d10 + 4) bludgeoning damage.
Source: Level Up Advanced 5e Monstrous Menagerie · OGL/Open