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Allosaurus

Huge · Beast · CR 3 · Chaotic Evil

Source. Monstrous Menagerie

57 (6d12+18)

Ability Scores

Core attributes and their modifiers.

STR

DEX

CON

INT

-4

WIS

CHA

-3

Overview

Category Monsters

Size Huge

Type Beast

Alignment Chaotic Evil

XP 700

Initiative Bonus +4

Movement

Walk 60 ft (18.3 m)

Swim 30 ft (9.1 m)

Climb 30 ft (9.1 m)

Crawl 30 ft (9.1 m)

Senses

Passive Perception 11

Actions

Bite

+6 to hit, reach 5 ft (1.5 m). Hit: 3d8+4 slashing damage.

Melee Weapon Attack: +6 to hit, reach 5 ft., one target. Hit: 17 (3d8 + 4) slashing damage. If the allosaurus moves at least 10 feet towards its target before making this attack it gains advantage on the attack.

About Allosaurus

Allosaurus is a huge beast with a Challenge Rating of 3. It has a chaotic evil alignment.

In combat, this creature maintains an Armor Class of 15 and possesses 57 hit points (derived from 6d12+18).

GM Tips: Using Allosaurus

2 tips available

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

Mid-level Encounter: Ideal for parties levels 3-8 as solo or small groups
Terrain Advantage: Use terrain to offset moderate combat abilities

Player Guide: Facing Allosaurus

2 strategies available

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

Moderate Threat: Prepare standard combat tactics
Tactical Advantage: Use terrain and positioning

Encounter Building Calculator

Standard Party Encounter (4-5 characters):

This creature is a medium encounter for a party of 4 characters of level 3.

Solo Encounter:

A single character of level 5 (up to level 20) can face this creature in a medium to hard encounter.

Experience Point Thresholds:

Medium: 1,200 XP
Hard: 1,800 XP
Deadly: 2,400 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 Allosaurus?: Allosaurus has a Challenge Rating of 3, making it appropriate for parties of level 3.0.
What type of creature is Allosaurus?: Allosaurus is a Huge Beast, which affects how certain spells and abilities interact with it.