Swarm of Insects

AC:12 HP:22 Speed:20', climb 20'
STR:3(-4) DEX:13(+1) CON:10(+0)
INT:1(-5) WIS:7(-2) CHA:1(-5)
Resistances:Bludgeoning, Piercing, and Slashing
Immunities:Charmed, Frightened, Paralyzed, Petrified, Prone, Restrained, and Stunned
Senses: Blindsight 10' Passive Perception: 8
Swarm: Stacks spaces and cannot heal/gain HP
{1}{e}Bite+3,0' reach,1 target,4d4 piercing(2d4
piercing if a