{"index":"swarm-of-bats","name":"Swarm of Bats","size":"Medium","type":"swarm of Tiny beasts","alignment":"unaligned","armor_class":[{"type":"dex","value":12}],"hit_points":22,"hit_dice":"5d8","hit_points_roll":"5d8","speed":{"walk":"0 ft.","fly":"30 ft."},"strength":5,"dexterity":15,"constitution":10,"intelligence":2,"wisdom":12,"charisma":4,"proficiencies":[],"damage_vulnerabilities":[],"damage_resistances":["bludgeoning","piercing","slashing"],"damage_immunities":[],"condition_immunities":[{"index":"charmed","name":"Charmed","url":"/api/2014/conditions/charmed"},{"index":"frightened","name":"Frightened","url":"/api/2014/conditions/frightened"},{"index":"grappled","name":"Grappled","url":"/api/2014/conditions/grappled"},{"index":"paralyzed","name":"Paralyzed","url":"/api/2014/conditions/paralyzed"},{"index":"petrified","name":"Petrified","url":"/api/2014/conditions/petrified"},{"index":"prone","name":"Prone","url":"/api/2014/conditions/prone"},{"index":"restrained","name":"Restrained","url":"/api/2014/conditions/restrained"},{"index":"stunned","name":"Stunned","url":"/api/2014/conditions/stunned"}],"senses":{"blindsight":"60 ft.","passive_perception":11},"languages":"","challenge_rating":0.25,"proficiency_bonus":2,"xp":50,"special_abilities":[{"name":"Echolocation","desc":"The swarm can't use its blindsight while deafened.","damage":[]},{"name":"Keen Hearing","desc":"The swarm has advantage on Wisdom (Perception) checks that rely on hearing.","damage":[]},{"name":"Swarm","desc":"The swarm can occupy another creature's space and vice versa, and the swarm can move through any opening large enough for a Tiny bat. The swarm can't regain hit points or gain temporary hit points.","damage":[]}],"actions":[{"name":"Bites","desc":"Melee Weapon Attack: +4 to hit, reach 0 ft., one creature in the swarm's space. Hit: 5 (2d4) piercing damage, or 2 (1d4) piercing damage if the swarm has half of its hit points or fewer.","attack_bonus":4,"damage":[{"damage_type":{"index":"piercing","name":"Piercing","url":"/api/2014/damage-types/piercing"},"damage_dice":"2d4"}],"actions":[]}],"image":"/api/images/monsters/swarm-of-bats.png","url":"/api/2014/monsters/swarm-of-bats","updated_at":"2026-04-01T20:35:38.254Z","forms":[],"legendary_actions":[],"reactions":[]}