Medium humanoid (human, shapechanger), chaotic evil

Armor Class: 13 (14 (Natural Armor) in hybrid or stingray form)

Hit Points: 39 (6d8 + 12)

Speed: 30 ft , swim: 40 in hybrid or stingray form ft

STR

15 +2

DEX

17 +3

CON

15 +2

INT

10 +0

WIS

12 +1

CHA

10 +0

Skills: Perception +3, Stealth +5

Damage Immunities: Bludgeoning, Piercing, & Slashing from Nonmagical Attacks that aren't Coral

Senses: Darkvision 60', Passive Perception 13

Languages: Common (can't speak in stingray form)

Challenge Rating: 4 ( 1100 XP)

Proficiency Bonus: +2

Actions

Multiattack (Humanoid or Hybrid Form Only). The wereray makes two attacks, only one of which can be a bite.

Bite (Stingray or Hybrid Form Only). Melee Weapon Attack: +4 to hit, reach 5', one target. Hit: 5 (1d6 + 2) piercing damage. If the target is a humanoid, it must succeed on a DC 12 Constitution saving throw or be cursed with wereray lycanthropy.

Harpoon (Humanoid or Hybrid Form Only. Melee or Ranged Weapon Attack: +4 to hit, reach 5' or range 20'/60', one target. Hit: 9 (2d6 + 2) piercing damage. If the target is a Medium or smaller creature, the wereray can pull it 10' closer.

Tail (Stingray or Hybrid Form Only). Melee Weapon Attack: +4 to hit, reach 5', one target. Hit: 6 (1d8 + 2) piercing damage. The target must make a DC 13 Constitution saving throw or be paralyzed for 1 minute.

Bonus Actions

Undersea Camouflage. The wereray can take the Hide action on its turn if there are sufficient visual obstructions, such as foliage, murky water, or a sandy sea floor.

Suggested Environments

Coastal, Underwater