Mastiff

Medium Beast, Unaligned

AC 12 Initiative +2 (12)
HP 5 (1d8 + 1)
Speed 40 ft.

Skills Perception +5
Senses Darkvision 60 ft.; Passive Perception 15
Languages None
CR 1/8 (XP 25; PB +2)

Actions

Bite. Melee Attack Roll: +3, reach 5 ft. Hit: 4 (1d6 + 1) Piercing damage. If the target is a Medium or smaller creature, it has the Prone condition.