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Boomer

Medium Plant, unaligned

Armor Class 7 (natural armor)

Hit Points 22 (4d8+4)

Speed 0 ft.

STR

1 (-5)

DEX

1 (-5)

CON

12 (+1)

INT

1 (-5)

WIS

3 (-4)

CHA

1 (-5)

Saving Throws —

Skills —

Damage Immunities thunder

Condition Immunities blinded, deafened, frightened

Senses blindsight 30 ft. (blind beyond this radius), passive Perception 6

Languages —

Challenge 1/2 (0 XP)

Deafening Boom. When a creature hits the boomer with a melee attack, the boomer releases a blast of sound. Each creature within 10 feet of the boomer that can hear it must make a DC 12 Constitution saving throw. On a failure, a creature takes 5 (2d4) thunder damage and is incapacitated until the end of its next turn. On a success, a creature takes half the damage and isn't incapacitated.

Death Burst. When it dies, the boomer explodes in a cacophonous burst. Each creature within 30 feet of the boomer that can hear it must make a DC 12 Constitution saving throw. On a failure, a creature takes 7 (2d6) thunder damage and is deafened for 1 minute. On a success, a creature takes half the damage and isn't deafened.

False Appearance. While the boomer remains motionless, it is indistinguishable from an ordinary fungus.

Actions

None.

Reactions

Shriek. If bright light or a creature is within 30 feet of the boomer, it emits a shriek audible within 300 feet of it. The boomer continues to shriek until the disturbance moves out of range and for 1d4 of the boomer's turns afterward.

Legendary Actions

An ear-piercing shriek echoes in the cavern. The sound comes from a human-sized mushroom whose stalk steadily swells with air as it shrieks._ **Thunderous Shriek.** Boomers are a subspecies of Open Game License

Content designated as Open Game Content. See our full license page for complete OGL text and Section 15 copyright notices.

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Boomer

Actions

Reactions

Legendary Actions

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