Obsidian Elemental, Medium

Family: Obsidian Elemental

Medium elemental, neutral

Armor Class 15 (natural armor)
Hit Points 66 (7d8 + 35)
Speed 20 ft.

18 (+4) 8 (-1) 20 (+5) 4 (-3) 11 (+0) 11 (+0)

Damage Resistances cold, fire; bludgeoning, piercing, and slashing damage from nonmagical weapons
Damage Immunities poison
Condition Immunities exhaustion, paralyzed, petrified, poisoned, unconscious
Senses darkvision 60 ft., passive Perception 10
Languages Terran
Challenge 5 (1,800 XP)

Special Traits

  • Brute. A melee weapon attack deals one extra die of its damage when the obsidian elemental hits with it (included in the attack).
  • Death Throes. When the obsidian elemental dies, it explodes, and each creature within 30 feet of it must make a DC 16 Dexterity saving throw, taking 17 (5d6) slashing damage and 17 (5d6) fire damage on a failed saving throw, or half as much damage on a successful one.
  • Molten Glass. A creature that hits the obsidian elemental with a melee attack while within 5 feet of it takes 7 (2d6) fire damage.


  • Multiattack. The obsidian elemental makes two claw attacks.
  • Claw. Melee Weapon Attack: +7 to hit, reach 5 ft., one target. Hit: 13 (2d8 + 4) slashing damage plus 4 (1d8) fire damage.
Section 15: Copyright Notice

Tome of Horrors © 2018, Frog God Games, LLC; Authors: Kevin Baase, Erica Balsley, John “Pexx” Barnhouse, Christopher Bishop, Casey Christofferson, Jim Collura, Andrea Costantini, Jayson ‘Rocky’ Gardner, Zach Glazar, Meghan Greene, Scott Greene, Lance Hawvermale, Travis Hawvermale, Ian S. Johnston, Bill Kenower, Patrick Lawinger, Rhiannon Louve, Ian McGarty, Edwin Nagy, James Patterson, Nathan Paul, Patrick N. Pilgrim, Clark Peterson, Anthony Pryor, Greg Ragland, Robert Schwalb, G. Scott Swift, Greg A. Vaughan, and Bill Webb