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5ead/monsters/md/tome_of_beasts_2023/boneswarm-tob1-2023.md
2025-06-07 07:58:30 -05:00

2.1 KiB

Bone Swarm

Large Swarm Chaotic Evil

  • Armor Class: 17 (natural armor)
  • Hit Points: 198 (36d10)
  • Speed: walk 60 ft. fly 20 ft.
  • Challenge Rating: 10 (5,900 XP)
  • Source: Tome of Beasts 2023, page 41
STR DEX CON INT WIS CHA
22 (+6) 18 (+4) 10 (+0) 9 (-1) 15 (+2) 20 (+5)
  • Saving Throws: Dex +8, Wis +6, Cha +9
  • Skills: Acrobatics +8, Perception +6, Stealth +8
  • Damage Vulnerabilities: bludgeoning
  • Damage Immunities: poison
  • Damage Resistances: piercing and slashing from nonmagical attacks
  • Condition Immunities: charmed, exhaustion, frightened, grappled, paralyzed, petrified, poisoned, prone, restrained, stunned
  • Senses: darkvision 60 ft., passive Perception 16
  • Languages: Common, Void Speech

Special Abilities

  • 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 human skull. The swarm can't regain hp or gain temporary hp.
  • Undead Nature: The bone swarm doesn't require air, food, drink, or sleep.

Actions

  • Multiattack: The bone swarm makes two Swirling Bones attacks. It can replace one Swirling Bones attack with one Death's Embrace attack, if available.
  • Swirling Bones: Melee Weapon Attack: +10 to hit, reach 0 ft., one creature in the swarm's space. Hit: 36 (8d8) bludgeoning, piercing, or slashing damage (the bone swarm's choice), or 18 (4d8) bludgeoning, piercing, or slashing damage (the bone swarm's choice) if the swarm has half of its hp or fewer.
  • Death's Embrace (Recharge 5-6): Melee Weapon Attack: +10 to hit, reach 0 ft., one creature in the swarm's space. Hit: The target is grappled (escape DC 16) if it is a Large or smaller creature. Until this grapple ends, the creature is restrained and any attack against the bone swarm has a 50 percent chance of hitting the grappled creature instead. The bone swarm can have only one creature grappled at a time. The grappled creature has advantage on ability checks made to escape the grapple when the bone swarm has half of its hp or fewer.