Mastiff — D&D 5e Monster Stats (CR 1/8)

Q: What are Mastiff's AC and HP in D&D 5e?

Mastiff has an Armor Class of 12 and 5 hit points (1d8+1).

Q: What Challenge Rating is a Mastiff?

Mastiff is CR 1/8, worth 25 XP — roughly a fair fight for a party of four characters of a similar level.

Q: What type of creature is Mastiff?

Mastiff is a medium beast, alignment unaligned.

Armor Class12

Hit Points5 (1d8+1)

Speed40 ft.

ChallengeCR 1/8 (25 XP)

STR

13

(+1)

DEX

14

(+2)

CON

12

(+1)

INT

3

(-4)

WIS

12

(+1)

CHA

7

(-2)

SkillsPerception +3

Sensespassive Perception 13

Special Abilities

Keen Hearing and Smell. The mastiff has advantage on Wisdom (Perception) checks that rely on hearing or smell.

Actions

Bite. Melee Weapon Attack: +3 to hit, reach 5 ft., one target. Hit: 4 (1d6 + 1) piercing damage. If the target is a creature, it must succeed on a DC 11 Strength saving throw or be knocked prone.

Running Mastiff in an encounter

As a CR 1/8 threat worth 25 XP, Mastiff is a fair challenge for a party of four at a comparable level. With no legendary actions it works best in numbers or paired with support, where its CR 1/8 rating won't be burned down in a single round. Use the XP value with the encounter builder to slot it into a balanced fight.

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