Sea Monster, Adult

Family: Sea Monsters

Huge monstrosity, neutral good

Armor Class 15 (natural armor)
Hit Points 90 (12d12 + 12)
Speed 15 ft., swim 50 ft.

16 (+3) 12 (+1) 13 (+1) 8 (-1) 10 (+0) 8 (-1)

Saving Throws Strength +6, Dexterity +4
Senses darkvision 60 ft., passive Perception 10
Challenge 5 (1,800 XP)

Special Traits

  • Hold Breath. The sea monster can hold its breath for 30 minutes.
  • Limited Telepathy. The sea monster can magically transmit simple messages and images to any creature within 120 feet of it that can understand a language. This form of telepathy doesn’t allow the receiving creature to telepathically respond.
  • Murderous Rage. The sea monster gains a third attack on its Multiattack action if a creature other than a sea monster harms or comes within 60 feet of one of its children.


  • Multiattack. The sea monster makes two bite attacks.
  • Bite. Melee Weapon Attack: +6 to hit, reach 10 ft., one creature. Hit: 14 (2d10 + 3) piercing damage.


Sea monsters hunt for survival and avoid causing harm to intelligent creatures, preferring to watch them from afar. It is believed that these rare and solitary creatures grow lonely, as they hunt vast territories alone. For some, sea monsters are seen as friendly visitors to be greeted with food and song. Most, however, see them as monsters, and try to scare them away or even harm them.

Sea monsters are extremely overprotective parents. This is due to the low natality rate of these creatures.

Sea monsters only gather to mate once every decade, and gestation requires another two years. The parents hunt together during pregnancy and until their offspring can hunt on its own. Anyone who gets too close to a sea monster’s offspring faces the wrath of one or both parents. If a sea monster loses its child, it spends the rest of its life hunting the culprits, unless the child is returned unharmed.

Sea monsters that are unable to find a mate or lose their mate have been known to accidentally steal children that wander away from communities, only wanting to protect them. These children are always well fed and kept safe by the sea monster, caring for the child as if it were their own.

Section 15: Copyright Notice

The Seas of Vodari Copyright 2020, Tribality (Innovaworks Inc.) and Shawn Ellsworth.