Dobhar-chu

large fey, neutral (there are 2, who are mates)

[CR 4 (XP)]
AC 12 | HP 68 (8d10 + 24) | Speed 60 ft, swim 60 ft

Condition Immunities: poisoned

Skills: Stealth +7

Senses: darkvision 60 ft

Languages Sylvan

Hold Breath The Dobar-chu can hold its breath for 1 hour.

Actions
Multiattack. The Dobar-chu makes two attacks: one bite and one with its spur.

Bite. Melee weapon attack: +7 to hit, 1d10 + 5 piercing damage.

Spur. Melee weapon attack: +7 to hit, 1d6 + 5 piercing damage and the creature must make a DC 14 CON saving throw, taking 2d10 poison damage on a failed save or half as much on a successful one.