Whispergloom

medium aberration, neutral evil

D&D 5.5 / SRD 5.2

Challenge 5 (1,800 XP)

Available with DM subscription
STR
16 (+3)
DEX
14 (+2)
CON
16 (+3)
INT
10
WIS
12 (+1)
CHA
15 (+2)

Defense

Armor Class
14 (natural armor)
Hit Points
75 (10d8+30 +3)
Speed
30 ft., climb 30 ft.

Treasure & Loot Common

No significant treasure

Proficiencies & Senses

Saving Throws dex, con
Skills
Stealth +5, Perception +4, Intimidation +5
Senses
blindsight 60 ft. (Blind beyond that radius.)
passive Perception 14

Characteristics

Damage Vulnerabilities
—
Damage Resistances
thunder
Damage Immunities
—
Condition Immunities
deafened
Languages Deep Speech (understands but cannot speak)

Traits and Actions

Echo Location

Trait
Blindsight Custom
The Whispergloom has blindsight out to a range of 60 feet. It is blind beyond this radius.

Sound Immunity

Trait
Deafened Condition
The Whispergloom is immune to the Deafened condition and resistant to Thunder damage.

Raking Claw

Action
Melee Weapon Attack Custom
Melee Weapon Attack: +6 to hit, reach 5 ft., one target. Hit: 9 (2d6 + 4) slashing damage.

Dissonant Wail

Action
Thunder Damage Custom
Deafened Condition
Each creature within 30 feet must make a DC 14 Constitution saving throw, taking 14 (4d6) thunder damage and becoming deafened for 1 minute on a failure, or half damage on a success. A deafened creature repeats the save at the end of each of its turns. While deafened, a creature has disadvantage on Wisdom (Perception) checks.

Echo Step

Bonus Action
Teleportation Custom
The Whispergloom teleports up to 30 feet to an unoccupied space it can sense. A ringing afterimage remains in the space it left until the start of its next turn.

Teleportation. Instant movement.

Running the encounter

Combat Behavior

Tactics

  • Strikes from side tunnels using Echo Step.
  • Uses Dissonant Wail to deafen pursuers.
  • Keeps walls between itself and targets.

Combat Style

Hit-and-run ambusher leveraging sound disruption.

Morale

Fights until reduced to 20 HP, then flees into deep echoes.

Appearance & presence

Monster Description

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