Grove Swarm

Gargantuan swarm of Large plants, unaligned

Armor Class 16 (natural armor)
Hit Points 217 (15d20+60)
Speed 50 ft., climb 30 ft.

25 (+7) 6 (-2) 18 (+4) 10 (+0) 10 (+0) 7 (-2)

Damage Vulnerabilities fire
Damage Resistances bludgeoning, piercing
Condition Immunities charmed, frightened, grappled, petrified, prone, restrained, stunned
Senses passive Perception 10
Languages Druidic, Sylvan


  • Magic Resistance. The swarm has advantage on saving throws made against spells and other magical effects.
  • Regeneration. The swarm regains 10 hit points at the start of its turn if it has at least 1 hit point.
  • Swarm. The swarm can occupy another creature’s space and vice versa, and the swarm can move through any opening large enough for a Large plant. The swarm can’t regain hit points from spells or potions, and it cannot gain temporary hit points.
  • Titanic. The swarm fills a 50-foot radius circle and ignores difficult terrain.


  • Thrash. Melee Weapon Attack: +12 to hit, reach 0 ft., all creatures in the swarm’s space. Hit: 24 (5d6+7) magical slashing damage and the target is grappled (escape DC 22).
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