Swarm of Biting Flies

Swarm of Biting Flies Medium swarm of Tiny beasts, unaligned 1/2 100 xp

Armor class 12 (natural armor)
Hit points 22 (5d8)
Speed 5 ft., flying 30 ft.

STR 3 (-4)
DEX 13 (+1)
CON 10 (0)
INT 1 (-5)
WIS 7 (-2)
CHA 1 (-5)

Damage Resistances: bludgeoning piercing slashing

Condition Immunities: charmed frightened paralyzed petrified prone restrained stunned

Senses: blindsight 10 ft. passive Perception 8

Languages:

Challenge: 1/2 (100 xp)

Swarm.The swarm can occupy another creature's space and vice versa and the swarm can move through any opening large enough for a Tiny insect. The swarm can't regain hit points or gain temporary hit points.

Actions

Bites. Melee Weapon Attack:+3 to hit reach 0 ft. one target in the swarm's space.
Hit:10 (4d4) piercing damage or 5 (2d4) piercing damage if the swarm has half of its hit points or fewer.