Lavalance (5e Creature)
From D&D Wiki
Large elemental, neutral
Damage Vulnerabilities cold
Earth Glide. The lavalance can burrow through nonmagical, unworked earth and stone. While doing so, the lavalance doesn't disturb the material it moves through.
Heated Body. A creature that touches the lavalance or hits it with a melee attack while within 5 feet of it takes 7 (2d6) fire damage.
Siege Monster. The lavalance deals double damage to objects and structures.
Multiattack. The lavalance makes two attacks.
Spike. Melee Weapon Attack: +10 to hit, reach 10 ft., one target. Hit: 14 (2d8 + 5) piercing damage plus 7 (2d6) fire damage.
Belch Lava. Ranged Weapon Attack: +10 to hit, range 20/60 ft., one target. Hit: 7 (2d6) fire damage.
A lavalance is an elemental with a stony shell filled with roiling lava. It is humanoid in appearance, but its arms end in burning hot lance-like spikes. It can also belch the contents of its body at its enemies, but it prefers to roast its foes upon its burning hot spikes.
Elemental Nature. A lavalance doesn't require air, food, drink, or sleep.