Sources
CR
Type
Size
Alignment
Movement

Fhenimore

Medium Humanoid (human), Lawful Evil

Armor Class 13 (natural armor)
Hit Points 75 (10d8 + 30)
Speed 30 ft., swim 30 ft.
STR
16
+3
DEX
10
+0
CON
16
+3
INT
10
+0
WIS
15
+2
CHA
14
+2
Skills Perception +5
Damage Resistances bludgeoning, piercing, slashing, from nonmagical attacks
Senses passive Perception 15
Languages Common, Aquan
Challenge 5 (1,800 XP)

Traits

Amphibious. Fhenimore can breathe air and water.

Blood Frenzy. Fhenimore has advantage on melee attack rolls against any creature that doesn't have all its hit points.

Spellcasting

Innate Spellcasting. Fhenimore's spellcasting ability is Wisdom (spell save DC 13, +5 to hit with spell attacks). It can innately cast the following spells, requiring no material components:

At will: command, create or destroy water

1/day each: call lightning, Evard's black tentacles

3/day each: control water, darkness, water breathing, water walk

Actions

Thunderous Touch. Melee Spell Attack: +5 to hit, reach 5 ft., one creature. Hit:27 (5d10) thunder damage.

Multiattack. Fhenimore can attack once with her bite attack and once with Thunderous Touch.

Bite. Melee Weapon Attack: +7 to hit, reach 5 ft., one target. Hit:8 (1d10 + 3) piercing damage.