Coven Sea Hag — fantasy monster illustration. Coven Sea Hag is a medium fey (Challenge Rating 4).

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Coven Sea Hag

Medium Fey

AC
14
HP
75
Speed
30
CR
4

Armor Class 14

Hit Points 75 (10d8+30)

Speed 30 ft., swim 40 ft.


STR
16 (+3)
DEX
12 (+1)
CON
16 (+3)
INT
12 (+1)
WIS
12 (+1)
CHA
16 (+3)

Saving Throws Con +5, Wis +3

Skills Arcana +3, Insight +3, Deception +5

Senses darkvision 60 ft., passive Perception 11

Languages Aquan, Common, Giant

Challenge 4


Traits

Amphibious. The hag can breathe air and water.

Curse. A creature that makes a bargain with the hag is magically cursed for 30 days. While it is cursed, the target automatically fails saving throws against the hags scrying and geas spells, and the hag can cast control weather centered on the creature.

Innate Spellcasting. The hags innate spellcasting ability is Charisma (spell save DC 13). It can innately cast the following spells, requiring no material components: At will: dancing lights, disguise self, 1/day: control weather, geas, scrying

Actions

Claws. Melee Weapon Attack: +5 to hit, reach 5 ft., one creature. Hit: 10 (2d6 + 3) slashing damage.

Death Glare (Gaze). One frightened creature within 30 feet makes a DC 11 Wisdom saving throw. On a failed saving throw the creature drops to 0 hit points. On a success the creature takes 7 (2d6) psychic damage.

Multiattack. The hag attacks twice with its claws.

Lightning Blast (Recharge 5-6). An 80-foot-long 5-foot-wide lightning bolt springs from the hags extended claw. Each creature in the area makes a DC 13 Dexterity saving throw taking 21 (6d6) lightning damage on a failed save or half damage on a success.

Bonus Actions

Horrific Transformation. The hag briefly takes on a terrifying form or reveals its true form. Each creature within 30 feet that can see the hag makes a DC 11 Wisdom saving throw. A creature under the hags curse automatically fails this saving throw. On a failure, the creature is frightened until the end of its next turn. If a creatures saving throw is successful, it is immune to the hags Horrific Transformation for 24 hours.

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Coven Sea Hag — fantasy monster illustrationPrimary
FTTHelper · auto-generated · monster · monster

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Further reading

Jetpack7 Game Master Series
The Game Master's Book of Random Encounters
Jeff Ashworth · 2020
The Game Master's Book of Traps, Puzzles and Dungeons
Jeff Ashworth · 2022
The Game Master's Book of Legendary Dragons
Aaron Hübrich · 2022