Death Dog
Medium monstrosity, neutral evil
Armor Class 12 (natural armor)
Hit Points 39 (6d8 + 12)
Speed 40 ft., swim 20 ft., climb 20 ft.
str
15 (+2)
dex
14 (+2)
con
14 (+2)
int
3 (-4)
wis
13 (+1)
cha
6 (-2)
Skills Perception +5, Stealth +4
Senses darkvision 120 ft., passive Perception 15
Languages -
Challenge 1 (200 XP)
Actions
Bite. Melee Attack Roll: +4, reach 5 ft. 4 (1d4 + 2) Piercing damage. If the target is a creature, it is subjected to the following effect. Constitution Saving Throw: DC 12. First Failure The target has the Poisoned condition. While Poisoned, the target's Hit Point maximum doesn't return to normal when finishing a Long Rest, and it repeats the save every 24 hours that elapse, ending the effect on itself on a success. Subsequent Failures: The Poisoned target's Hit Point maximum decreases by 5 (1d10).
Multiattack. The death dog makes two Bite attacks.