Adult Earth Dragon

Earth Glide

The dragon can burrow through nonmagical, unworked earth and stone without disturbing the material it moves through.

Stone-Plated Body

The dragon’s body is covered in extremely dense stone-like scales.

When the dragon takes bludgeoning, piercing, or slashing damage, it can use its reaction to reduce the damage by 10 (3d6).

Tremorsense

The dragon can detect and pinpoint creatures and objects touching the ground within 120 feet, even through solid stone.

Immovable

The dragon has advantage on Strength and Dexterity saving throws against effects that would knock it prone, push it, or move it against its will.

Multiattack

The Earth Dragon makes one Bite, two Claw attacks, and one Tail attack.

Bite

Melee Weapon Attack: +14 to hit, reach 10 ft., one target.

Hit: 21 (2d12 + 8) piercing damage plus 7 (2d6) bludgeoning damage.

Claw

Melee Weapon Attack: +14 to hit, reach 5 ft., one target.

Hit: 15 (2d6 + 8) slashing damage.

Tail

Melee Weapon Attack: +14 to hit, reach 15 ft., one target.

Hit: 19 (2d10 + 8) bludgeoning damage.

The target must succeed on a DC 22 Strength saving throw or be pushed 15 feet and knocked prone.

Earth Breath — Recharge 5–6

The dragon inhales everything into in grinder like throat a 90-foot cone.

Each creature in the area must make a DC 22 Dexterity saving throw.

On a failed save, a creature takes:

63 (14d8) bludgeoning damage

and are drawn into its mouth.

On a successful save, the creature takes half damage and isn’t restrained.

A restrained creature can use its action to make a DC 22 Strength check, freeing itself on a success.The area covered by the breath becomes difficult terrain until cleared.

Burrow.

The dragon moves up to half its burrow speed without provoking opportunity attacks. It can emerge from the ground at any point during this movement.