Giant, Ocean

Family: Giant

Huge giant, chaotic neutral

Armor Class 18 (natural armor)
Hit Points 262 (21d12+126)
Speed 50 ft., swim 40 ft.

29 (+9) 11 (+0) 22 (+6) 12 (+1) 14 (+2) 18 (+4)

Saving Throws Str +14, Con +11, Wis +7, Cha +9
Skills Nature +6, Perception +7, Performance +14
Damage Resistances cold, lightning
Senses darkvision 60 ft., passive Perception 17
Languages Aquan, Common, Giant
Challenge 13 (10,000 XP)

Special Traits

  • Amphibious. An ocean giant can breathe air and water.
  • Innate Spellcasting. The giant’s innate spellcasting ability is Charisma (spell save DC 17). It can innately cast the following spells, requiring no material components:
  • Powerful Trident. Ocean giants are masters of the trident, a weapon well-suited for underwater combat. A trident deals one extra die of its damage when the ocean giant hits with it (included in the attack).


  • Multiattack. The giant makes two trident attacks.
  • Trident. Melee or Ranged Weapon Attack: +14 to hit, reach 10 ft. or range 20/60 ft., one target. Hit: 23 (4d6 + 9) piercing damage, or 27 (4d8 + 9) piercing damage if used with two hands to make a melee attack. If the ocean giant scores a critical hit, it rolls damage dice three times, instead of twice.
  • Rock. Ranged Weapon Attack: +14 to hit, range 60/240 ft., one target. Hit: 36 (4d12 + 10) bludgeoning damage.
  • Conch (Recharge 5-6). The giant blasts its conch. All creatures in a 60-foot cone must make a DC 17 Constitution saving throw. A creature takes 58 (13d8) thunder damage on a failed save, or half as much damage on a successful one. A target that fails its saving throw is stunned for 1 round and deafened for 1 minute. At the end of each of its turns, a target can attempt a new saving throw; on a success, the target is no longer deafened.


Ocean giants embody the great extremes of the sea. Their skin colors vary from deep blue to pale green, and their eyes and hair range from foamy white to coral pink. They decorate themselves with the treasures of the sea, wearing shell jewelry or scrimshaw, and clothing woven from underwater plants, or even salvaged sails. Adult ocean giants stand approximately 22 feet tall and weigh about 15,000 pounds. Most live to be about 500 years old.

Musical Conches. Each ocean giant carries a hand-crafted musical horn made from a conch shell, an object of cultural significance representing its family history and travels on the vast sea.

Ocean Rulers. Many ocean giants view themselves as guardians of the sea, its creatures, and those who travel the waves, safeguarding their charges from remarkable coral towers. Others, however, claim domains measuring thousands of leagues, enslaving the beasts and aquatic races within and shattering any ship that dares trespass near their citadels of urchins and bones.

Section 15: Copyright Notice

Sea Monsters (5E) © 2021, Legendary Games; Authors Michael Ritter, Michael “solomani” Mifsud, Robert J. Grady, Mark Hart, Jeff Ibach, Alex Riggs, Scott D. Young, Jeff Lee, Matt Kimmel, and Jason Nelson.

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