Medium Beast, unaligned
Armor Class 13
Hit Points 44 (8d8+8)
Speed walk +30
Challenge 2
Skills perception +2
Damage Resistances bludgeoning, piercing, slashing
Condition Immunities charmed, frightened, grappled, paralyzed, petrified, poisoned, prone, restrained, stunned
Senses passive Perception 12
Languages —
Swarm. Can occupy another creature's space and vice versa and the swarm can move through any opening large enough for a Tiny deer. Swarm can't regain hp or gain temp hp.
Bite. Melee Weapon Attack: +5 to hit, 0 ft., one creature, in the swarm's space. 18 (4d8) piercing damage or 9 (2d8) piercing damage if the swarm has half its hp or fewer.
Musk (Recharge: Short/Long Rest). As musk deer but save DC 12.
Sprinter. Takes the Dash action.
Source: Tome of Beasts 3 · OGL/Open