Armor Class 17 (natural armor)
Hit Points 30 (4d8 + 12)
Speed 40 ft.
Skills Perception +4, Stealth +4
Damage Immunities poison
Condition Immunities exhaustion, poisoned
Senses darkvision 60 ft., passive Perception 13
Languages understands the languages of its creator but can't speak
Challenge 1
Keen Senses. The defender has advantage on Wisdom (Perception) checks.
Telepathic Bond. While the defender is on the same plane of existence as its master, it can magically convey what it senses to its master, and the two can communicate telepathically.
Bite. Melee Weapon Attack: +5 to hit, reach 5 ft., one target. Hit: 6 (1d6 + 3) piercing damage. If the target is a creature, it must succeed on a DC 13 Strength saving throw or take an extra 3 (1d6) piercing damage and be grappled (escape DC 13). The defender can have only one creature grappled in this way at a time.
ERLW, p. 293