Runehound

Armor Class 15

Hit Points 136 (21d8 + 42)

Speed 40 ft.

Initiative +1

Condition Immunities blinded

Senses blindsight 120 ft. (blind beyond this radius), passive Perception 11

Languages understands Undercommon but can't speak

Challenge 5 (1,800 XP)

Source Monster a Day

Multiattack. The runehound makes two bite attacks.

Bite. Melee Weapon Attack: +7 to hit, reach 10 ft., one target. Hit: 11 (2d6 + 4) piercing damage.

Vile Spew (Recharge 5-6). The runehound spits acid in a 15-foot cone. Each creature in that area must make a DC 13 Dexterity saving throw, taking 21 (6d6) acid damage on a failed save, or half as much damage on a successful one.