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Plesiosaurus

Challenge2

Rules source: Monster Manual (2025) · CR: 2 · Type: Beast (Dinosaur)

Combat statistics

  • Armor Class: 13
  • Hit Points: 68 (8d10 + 24)
  • Speed: Walk 20 ft., Swim 40 ft.
  • Initiative: +2 (12)
  • Challenge: 2 (450 XP)
  • Skills: Perception +3, Stealth +4
  • Senses: Passive perception 13
  • Languages: None
  • Proficiency Bonus: +2
  • Damage resistances: None listed
  • Damage vulnerabilities: None listed
  • Damage immunities: None listed
  • Condition immunities: None listed
Ability Score (modifier) Saving throw
STR 18 (+4) +4
DEX 15 (+2) +2
CON 16 (+3) +3
INT 2 (-4) -4
WIS 12 (+1) +1
CHA 5 (-3) -3

Revised rules text

Traits

Hold Breath. The plesiosaurus can hold its breath for 1 hour.

Actions

Bite. Melee Attack Roll: +6, reach 10 ft.

Hit: 11 (2d6 + 4) Piercing damage.

Reference from your core rulebook

The links below open the original rulebook pages for the complete printed stat block, including traits, actions, spellcasting, reactions, and usage limits. The printed block is authoritative if searchable text elsewhere on this page differs.

Monster Manual (2025) — PDF page 369

Open the original rulebook — PDF page 369 — source PDF is not included in this player reference.

Printed book page: 366.

Sources

  • Your supplied Monster Manual (2025) — source PDF is not included in this player reference. — verified local reference
  • Monster Manual — original reference dataset (legacy source)
  • SRD 5.2.1 (external reference) — complete revised rules block
  • Structured SRD transcription (external reference) — searchable text; printed block remains authoritative

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Icewind Dale - Rime of the Frostmaiden

Original campaign references: Plesiosaurus