Tiny Swarm of Medium beasts, Chaotic Neutral
AC 13 natural    Initiative +2 (12)
HP 10 (2d6)
Speed 20 ft.
Mod Save
STR 6 −2 −2
DEX 14 +2 +2
CON 14 +2 +2
Mod Save
INT 10 +0 +0
WIS 16 +3 +3
CHA 16 +3 +3
Vulnerabilities Fire
Resistances Bludgeoning, Piercing, and Slashing from Nonmagical Attacks
Senses Tremorsense; Passive Perception 13
Languages Sylvan
CR 1/2 (XP 100; PB +2)
Traits

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 creature. The swarm can’t regain hit points or gain temporary hit points.

Spore Release. When the swarm is reduced to 0 hit points or as a reaction when it takes damage, it releases a cloud of spores. Each creature within 10 feet must succeed on a DC 14 Dexterity saving throw or become infected (see Infection).

Infection. An infected creature takes rollable;{"diceNotation":"1d4","rollType":"damage","rollAction":"Infection","rollDamageType":"necrotic"}[/rollable] necrotic damage at the start of each of its turns. At the end of each of its turns, the creature can make a DC 14 Constitution saving throw, ending the effect on a success. If the creature dies while infected, a new Birch Boy Swarm rises from its corpse in 1d4 rounds.

Actions

Bite. Melee Weapon Attack: +4 to hit, reach 0 ft., one target in the swarm’s space. Hit: rollable;{"diceNotation":"2d4","rollType":"damage","rollAction":"Bite","rollDamageType":"piercing"}[/rollable] piercing damage, or rollable;{"diceNotation":"1d4","rollType":"damage","rollAction":"Bite","rollDamageType":"piercing"}[/rollable] piercing damage if the swarm has half of its hit points or fewer.

Legendary Actions

Enter the description for how legendary actions work for your monster here.

Legendary Action Name (Costs # Actions). Enter the description for your legendary action.

Mythic Actions

Mythic Action Name. Enter the description for how mythic actions work for your monster here.

Mythic Action Name (Costs # Actions). Enter the description for your mythic action.

Description

 

  • Monster Name: Birch Boy Swarm
  • Version: 1
  • Monster Type: Plant
  • Size: Tiny
  • Swarm Monster Type: Swarm of Insects (this is fine)
  • Alignment: Chaotic Neutral
  • Challenge Rating: 1/2

 

Lair and Lair Actions

Enter a description of your monster's lair here.

Lair Actions

On initiative count # (losing initiative ties), the [monster name] takes a lair action to cause one of the following effects; the [monster name] can’t use the same effect two rounds in a row:

  • Enter a description for a lair action.
  • Enter a description for a lair action.

Regional Effects

The region containing a legendary [monster name]’s lair is [enter the effect description], which creates one or more of the following effects:

  • Enter a regional effect description.
  • Enter a regional effect description.

If the [monster name] dies, these effects fade over the course of #d# days.

Monster Tags: plantSwamp/Wetland

Habitat: ForestSwampUnderdark

Nickedemus07436

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