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Rock Roach

Medium · Beast · CR 2 · Unaligned

Armor Class
16 (natural armor)
Hit Points and Hit Dice
67 (9d8+27)
Challenge Rating CR
2

Ability Scores

Core attributes and their modifiers.

STR
15
+2
DEX
14
+2
CON
17
+3
INT
1
-5
WIS
6
-2
CHA
1
-5

Overview

Category Monsters
Size Medium
Type Beast
Alignment Unaligned
XP 450
Initiative Bonus +2

Movement

Walk 30 ft (9.1 m)
Swim 15 ft (4.6 m)
Climb 15 ft (4.6 m)
Burrow 20 ft (6.1 m)
Crawl 15 ft (4.6 m)

Senses

Blindsight 60 ft (18.3 m)
Passive Perception 8

Resistances & Immunities

Damage Resistances
bludgeoning

Traits

Dual Brain

The rock roach has two brains: one in its head and one in its abdomen. It can continue functioning normally, even if its head is removed or destroyed. While both its brains are intact, the rock roach uses its Constitution modifier instead of its Intelligence modifier when making Intelligence saving throws.

Actions

Acid Spit

+4 to hit, range 20/60 ft (6.1/18.3 m). Hit: 1d6+2 acid damage.

Ranged Weapon Attack: +4 to hit, range 20/60 ft., one target. Hit: 5 (1d6 + 2) acid damage, and the target takes 3 (1d6) acid damage at the start of its next turn unless the target immediately uses its reaction to wipe off the spit.

Bite

+4 to hit, reach 5 ft (1.5 m). Hit: 2d6+2 piercing damage.

Melee Weapon Attack: +4 to hit, reach 5 ft., one creature. Hit: 9 (2d6 + 2) piercing damage.

Multiattack

The rock roach makes two bite attacks. Alternatively, it can use Acid Spit twice.

About Rock Roach

Rock Roach is a medium beast with a Challenge Rating of 2. It has a unaligned alignment.

In combat, this creature maintains an Armor Class of 16 and possesses 67 hit points (derived from 9d8+27).

GM Tips: Using Rock Roach

1 tips available

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

  • Burrowing Tactics: This creature can burrow at 20 ft. It can ambush from underground or escape combat by digging. Use 'Earthbind' or create difficult terrain to limit burrowing. Consider fighting in areas without soft ground.

Player Guide: Facing Rock Roach

1 strategies available

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

  • Burrowing Defense: This creature can burrow at 20 ft! It can ambush from underground. Use 'Earthbind', create difficult terrain, or fight on hard surfaces. 'Stone Shape' can seal burrows.

Encounter Building Calculator

Standard Party Encounter (4-5 characters):

This creature is a medium encounter for a party of 4 characters of level 2.

Solo Encounter:

A single character of level 4 (up to level 20) can face this creature in a medium to hard encounter.

Experience Point Thresholds:

  • Medium: 600 XP
  • Hard: 900 XP
  • Deadly: 1,200 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 Rock Roach?
Rock Roach has a Challenge Rating of 2, making it appropriate for parties of level 2.0.
What type of creature is Rock Roach?
Rock Roach is a Medium Beast, which affects how certain spells and abilities interact with it.

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