Name: The Nuckelavee
Size: Large
Type: Fiend
Alignment: Chaotic Evil

Armor Class: 17
Hit Points: 110 (13d10 + 30)
Speed: 40 ft., swim 40 ft.

STR: 18 (+4)
DEX: 12 (+1)
CON: 16 (+3)
INT: 8 (-1)
WIS: 14 (+2)
CHA: 8 (-1)

Damage Resistance: Cold
Damage Immunity: Poison
Senses: Darkvision 60 ft., passive Perception 12
Languages: Abyssal, Infernal
Challenge: 5 (1800 XP)

Special Traits
        Amphibious. The Nuckelavee can breathe both air and water.
        Innate Spellcasting. The Nuckelavee's spellcasting ability is Wisdom (spell save DC 14). It can cast the following spells innately:
                At will: poison spray
                1/day each: fear, create or destroy water
        Magic Resistance. The Nuckelavee has advantage on saving throws against spells and other magical effects.

Actions
        Multiattack. The Nuckelavee can use its Frightful Presence. It then makes two attacks: one with its bite and one with its hooves.
        Bite. Melee Weapon Attack: +6 to hit, reach 5 ft., one target. Hit: 10 (1d10 + 4) piercing damage, and the target must make a DC 14 Constitution saving throw, taking 24 (7d6) poison damage on a failed save, or half as much damage on a successful one.
        Hooves. Melee Weapon Attack: +6 to hit, reach 5 ft., one target. Hit: 12 (2d6 + 4) bludgeoning damage.
        Frightful Presence. Each creature within 60 feet of the Nuckelavee that can see it must succeed on a DC 8 Wisdom saving throw or become frightened for 1 minute. A creature can repeat the saving throw at the end of each of its turns, ending the effect on itself on a success. If a creature's saving throw is successful or the effect ends for it, the creature is immune to the Nuckelavee's Frightful Presence for the next 24 hours.

Description: Scottish folklore is filled with strange and mysterious creatures, each with its own unique features and legends. One of the most fearsome and well-known of these creatures is the Nuckelavee.

The Origin of the Nuckelavee
The Nuckelavee is a creature that has its roots in Orkney and Shetland folklore. It is said to have originated from the sea, where it would rise from the depths to terrorize the islands and the surrounding coastal communities. Some legends suggest that the Nuckelavee was a demon that was cast out of hell, while others claim that it was a cursed sea monster. Regardless of its origins, the Nuckelavee is considered a harbinger of misfortune and death, and is feared by all who hear its name.

The Physical Appearance of the Nuckelavee
The Nuckelavee is a formidable and grotesque creature, with a body that is said to be covered in dark, scaly skin. It has long, skeletal arms and legs, and its eyes glow with an otherworldly light. Some accounts describe the Nuckelavee as having a horse's head, while others claim that it has the face of a human, with a snarling mouth filled with razor-sharp teeth.

One of the most distinctive features of the Nuckelavee is its lack of a separate torso and legs. Instead, its arms and legs appear to be attached directly to its torso, giving it a grotesque and unsettling appearance. Additionally, the Nuckelavee is said to have a powerful and noxious breath, which can poison the air and sicken those who are exposed to it.

The Habits of the Nuckelavee
The Nuckelavee is a solitary creature, and is said to dwell in the depths of the sea. However, when it rises from the water, it is capable of causing immense destruction and death. Some legends claim that the Nuckelavee is capable of causing crops to fail, animals to sicken, and even causing the winds to rise and the skies to darken.

Despite its fearsome reputation, the Nuckelavee is also said to have a weakness. According to folklore, the Nuckelavee cannot tolerate the sight of fresh water, and will immediately retreat back into the sea if it encounters a stream or river. This vulnerability is said to be the only hope for those who are threatened by the Nuckelavee, and is often used as a means of protection against the creature.

The Cultural Significance of the Nuckelavee
The Nuckelavee is a powerful symbol of fear and destruction in Scottish folklore, and is still remembered and revered today. Despite its fearsome reputation, the Nuckelavee also holds a certain fascination for many people, who are drawn to its grotesque appearance and the legends that surround it.

In modern times, the Nuckelavee has inspired a number of works of art, including paintings, sculptures, and even video games. Additionally, it has been featured in several books and movies, further cementing its place in popular culture.