Seel / Dewgong

Seel is pinniped with a thick hide covered in bluish-white fur. It has a pale tan maw with a large red tongue and a pair of tusks on its lower jaw. It has circular eyes and a black nose that is capable of closing when it swims. There is a small horn on its forehead, which it uses in combination with its tusks to bore through ice floes. It has two flippers on its chest and two more on the end of its tail. When the tail is raised, it resembles a waterspout.
Seel lives on icebergs in frigid ocean waters. Its warm fur and thick hide allow it to swim in waters as cold as -40° Fahrenheit (-40° Celsius). It thrives in these cold environments, becoming more active as the temperature drops and tires easily in warm waters. Preferring to sleep during the day, it hunts for prey under sheets of ice in the late day and evening hours. While it is a graceful swimmer, it is awkward and struggles to move on dry land.

Seel

Loves freezing-cold conditions. Relishes swimming in a frigid climate of around 14 degrees Fahrenheit.

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Armor Class	12 (natural armor)
Hit Points	12d6+24
Speed	10 ft.	Swim 40 ft.
Strength	12 (+1)
Dexterity	12 (+1)
Constitution	16 (+3)
Intelligence	6 (-2)
Wisdom	13 (+1)
Charisma	14 (+2)
Skills	Performance d20+4
Damage Vulnerabilities	Lightning
Damage Resistances	Fire	Ice
Languages	Aquan
Challenge	1 (200 XP)
Special 1	Hold Breath	The seel can hold its breath for 30 minutes
Special 2	Hydration (1/day)	If the seel fails a saving throw while in rain or submerged in water,	it can choose to succeed instead
Action 1	Aurora Beam	Ranged Spell Attack	d20+4 to hit
Range 30 ft., one target	HIt 2d6+2 cold damage
Action 2	Aqua Tail	Melee Weapon Attack	d20+2 to hit
Range 5 ft., one target	Hit 1d8 bludgeoning damage	plus 1d8 cold damage
Action 3	Headbutt	Melee Weapon Attack	d20+3 to hit
Reach 5 ft., one target	Hit 1d6+1 piercing damage

Dewgong is pinniped with a snowy white, furry body. Its fur renders it virtually invisible in snowy conditions. Its face has two black eyes, a black nose, and two tusks extending from its upper jaw. It has a streamlined body with two front flippers and a long flowing tail. Even in extremely cold and ice-packed waters, its tail allows it to be a swift and agile swimmer at speeds of 8 knots. On top of its head is a sharp horn, which allows it to cut through the thickest ice floes.
It lives on icebergs adrift in frigid ocean waters. It thrives in lower temperatures, becoming increasingly more active the colder the weather. By storing thermal energy within its body, it is completely unharmed by even the most intense freezing weather. During daylight hours, it sleeps on bitterly cold ice or under shallow water. However, at night when the temperature drops, it becomes a hunter and searches for prey such as Wishiwashi. Following a meal, it sunbathes on the beach. This raises its body temperature and aids in digestion.

Dewgong

Its entire body is a snowy white. Unharmed by even intense cold, it swims powerfully in icy waters.

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Armor Class	15 (natural armor)
Hit Points	22d8+66
Speed	15 ft.	Swim 60 ft.
Strength	6 (+3)
Dexterity	16 (+3)
Constitution	19 (+4)
Intelligence	6 (-2)
Wisdom	15 (+2)
Charisma	17 (+3)
Skills	Performance d20+6
Damage Vulnerabilities	Lightning
Damage Resistances	Fire	Ice
Senses	Darkvision 30 ft.	Passive Perception 12
Languages	Aquan
Challenge	7 (2.900 XP)
Special 1	Hold Breath	The dewgong can hold its breath for 1 hour
Special 2	Hydration (3/day)	The the dewgong fails a saving throw while in rain or submerged in water,	it can choose to succeed instead
Action 1	Multiattack	The dewgong makes two Aurora Beam or Aqua attacks
Action 2	Aurora Beam	Ranged Spell Attack	d20+6 to hit
Range 60 ft., one target	Hit 4d8+3 cold damage
Action 3	Aqua Tail	Melee Weapon Attack	d20+5 to hit
Range 5 ft., one target	Hit 2d8+2 bludgeoning damage	plus 2d8 cold damage
Action 4	Headbutt	Melee Weapon Attack	d20+6 to hit
Reach 5 ft., one target	Hit 1d8+3 piercing damage
Action 5	Ice Beam (recharge 5-6)	Ranged Weapon Attack	d20+6 to hit
Range 60/120 ft., one target	Hit 12d8 cold damage	and target must make a DC 14 Constitution saving throw.
On a failed saving throw,	the target begins turning to ice and is restrained.	It must repeat the saving throw at the end of its next turn.	On a success, the effect ends.
On a failure, the target is petrified until thawed by the greater restoration spell,	other magic, or carefully applied heat during a long rest