Glass Elemental

Large elemental , neutral

Armor Class 17

Hit Points 126 (12d10 + 60) 12d10+60

Speed 30ft Burrow: 30ft

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STR

20 +5

DEX

8 -1

CON

20 +5

INT

5 -3

WIS

10 0

CHA

6 -2

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Damage Vulnerabilities Thunder

Damage Resistances Piercing and Slashing from nonmagical weapons

Damage Immunities Poison

Condition Immunities Exhaustion, Paralyzed, Petrified, Poisoned, Unconscious

Senses Darkvision 60ft., Tremorsense 60 ft.

Languages Terran

Challenge 5 (1800 XP)

Reflective Surface When the Glass Elemental is dealt radiant damage, it’s skin reflects half of that damage (rounded down) to a random creature within 30 ft.
Transparent Due to the Elemental’s glass form, its surface can become so clear that it becomes transparent. Even when in plain sight, it take a successful DC 15 Wisdom (Perception) check to spot a Glass Elemental that has neither moved nor attacked.
Shatter When the Glass Elemental drops to 0 hitpoints, it shatters. Any creature within 5 ft. of the elemental must make a Dexterity Saving Throw or take 2d8 Piercing damage from the shards. On a success, the creature takes half damage.

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Actions

Multiattack The Elemental makes two slam attacks
Slam Melee Weapon Attack: +8 to hit, reach 5ft., one target. Hit 14 (2d8 + 5) 2d8+5 Piercing damage.
Blinding Reflection (Recharge 5-6). If the Elemental is in direct sunlight it can maximize its surface’s reflective capabilities, emitting a blinding bright light. Any creature in a 30 ft. radius that can see the Elemental has to make a Constitution Saving Throw (DC 15). On a failure, that creature is blinded by the Elemental for one minute. The creature can repeat its saving throw at the end of each of its turns, ending the effect on a success.