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Diplodocus

Gargantuan · Beast · CR 7 · Chaotic Evil

Armor Class
14
Hit Points and Hit Dice
139 (9d20+45)
Challenge Rating CR
7

Ability Scores

Core attributes and their modifiers.

STR
24
+7
DEX
8
-1
CON
20
+5
INT
2
-4
WIS
12
+1
CHA
5
-3

Overview

Category Monsters
Size Gargantuan
Type Beast
Alignment Chaotic Evil
XP 2900
Initiative Bonus -1

Movement

Walk 30 ft (9.1 m)
Swim 15 ft (4.6 m)
Climb 15 ft (4.6 m)
Crawl 15 ft (4.6 m)

Senses

Passive Perception 11

Actions

Multiattack

The diplodocus makes a stomp attack and a tail attack against two different targets.

Stomp

+10 to hit, reach 5 ft (1.5 m). Hit: 4d6+7 bludgeoning damage.

Melee Weapon Attack: +10 to hit, reach 5 ft., one target. Hit: 21 (4d6 + 7) bludgeoning damage.

Tail

+10 to hit, reach 15 ft (4.6 m). Hit: 3d6+7 bludgeoning damage.

Melee Weapon Attack: +10 to hit, reach 15 ft., one target. Hit: 17 (3d6 + 7) bludgeoning damage. If the target is a Large or smaller creature it is pushed 10 feet away from the diplodocus and knocked prone.

About Diplodocus

Diplodocus is a gargantuan beast with a Challenge Rating of 7. It has a chaotic evil alignment.

In combat, this creature maintains an Armor Class of 14 and possesses 139 hit points (derived from 9d20+45).

GM Tips: Using Diplodocus

2 tips available

When using Diplodocus in your D&D 5e campaign, consider these tactical approaches:

  • Significant Threat: Challenging for parties of levels 5-10
  • Epic Potential: Consider legendary actions for memorable battles

Player Guide: Facing Diplodocus

2 strategies available

When your party encounters this creature, keep these strategies in mind:

  • Significant Threat: Prepare spells and resources
  • Team Coordination: Coordinate attacks and defenses

Encounter Building Calculator

Standard Party Encounter (4-5 characters):

This creature is a medium encounter for a party of 4 characters of level 7.

Solo Encounter:

A single character of level 10 (up to level 20) can face this creature in a medium to hard encounter.

Experience Point Thresholds:

  • Medium: 5,600 XP
  • Hard: 8,400 XP
  • Deadly: 11,200 XP

Based on D&D 5e Dungeon Master's Guide encounter building guidelines. CR roughly equals party level for medium encounters.

Frequently Asked Questions

What is the challenge rating of Diplodocus?
Diplodocus has a Challenge Rating of 7, making it appropriate for parties of level 7.0.
What type of creature is Diplodocus?
Diplodocus is a Gargantuan Beast, which affects how certain spells and abilities interact with it.

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