Bestiary · Monster

PR 4

Shellfin

A shellfin is a reef monster with a shark's head and a crab's shell and claws. It cruises like a shark, then stops dead with its claws forward. The claws hold a diver in place while it bites, and most divers it catches die while held.

Shellfin, drawn at Large scale
Physiology
Monster, Beast
Size
Large
Speed
10 ft., swim 50 ft.
Armor class
16
Hit points
85 (10d10 + 30)
Proficiency
+2
  • STR 18 +4 save +4
  • DEX 13 +1 save +1
  • CON 16 +3 save +5
  • INT 3 -4 save -4
  • WIS 12 +1 save +1
  • CHA 5 -3 save -3
Skills
Perception +3 , Stealth +3
Passive Perception
13
Senses
blindsight 60 ft., keen smell
Languages
None
Damage resistances
bludgeoning, piercing, slashing
Found in
Shallows

Traits

  • Blood in the Water

    The shellfin has advantage on attack rolls against a creature that has less than half its hit points.

  • Sudden Stop

    The shellfin can end a swim move at any point without drifting, and does not provoke opportunity attacks when it does.

Actions

  • Multiattack

    Makes one Bite attack and one Claw attack.

  • Bite

    +6 to hit · reach 5 ft.

    2d10 + 4 piercing damage

  • Claw

    +6 to hit · reach 5 ft.

    1d10 + 4 slashing damage

    If the target is of Medium size or smaller it is Grappled (escape DC 14) and Restrained.