Kelpie

• Change Appearance. The Kelpie can use an action to transform into a humanoid of its choosing. The Kelpie has advantage on all Charisma (Deception) checks while in its humanoid form.
• Legendary Resistances (3/day). If the Kelpie fails a saving throw, it can choose to succeed it instead.
• Regeneration. If the Kelpie begins its turn submerged in water, it regains 20 hit points.
• Watery Form. Whenever a melee attack hits the Kelpie, the Kelpie can use its reaction to grapple the creature using its body. While grappled this way, the creature moves with the Kelpie. A grappled creature can use an action to make a contested Strength (Athletics) check to end the grappled condition.

Actions

• Multiattack. The Kelpie can use it’s Drowning Pool then make three attacks, two with its hooves and one bite attack.
• Hoof. Melee Weapon Attack: +12 to hit, reach 10 ft., one target. Hit: 23 (4d6 + 6) bludgeoning damage. If the target is a creature, it must succeed on a DC 16 Strength saving throw or be pushed 10 feet away and knocked prone.
• Bite. Melee Weapon Attack: +12 to hit, reach 5 ft., one target. Hit: 26 (4d8 + 6) piercing damage.
• Drowning Pool. The Kelpie unleashes a whirlpool of water that pulls all creatures towards it. Any creature within 20 feet must make a DC 16 Strength saving throw or suffer 4d10 bludgeoning damage and be pulled 20 feet towards the Kelpie.

Legendary Actions

The Kelpie can take 3 Legendary Actions, choosing from the options below. Only one legendary action can be used at a time, and only at the end of another creature's turn. Spent legendary Actions are regained at the start of each turn.

• Charge. The Kelpie makes one Hoof Attack and moves 20 feet.
• Bite. The Kelpie makes one Bite Attack.
• Born of the Sea (Costs 2 Actions). The Kelpie’s body becomes entirely made of water. Until the start of the Kelpie’s next turn it gains resistance to all damage. While underwater, the Kelpie is also Invisible.