Swarm of Rats

Size: Medium Type: Beast Alignment: unaligned Armor Class: 10 Hit Points: 24 Hit Dice: 7d8-7 Speed: "walk": 30 Challenge Rating: 1/4 Actions: ["attack_bonus": 2, "damage_dice": "2d6", "desc": "Melee Weapon Attack: +2 to hit, reach 0 ft., one target in the swarm's space. Hit: 7 (2d6) piercing damage, or 3 (1d6) piercing damage if the swarm has half of its hit points or fewer.", "name": "Bites"] Special Abilities: ["desc": "The swarm has advantage on Wisdom (Perception) checks that rely on smell.", "name": "Keen Smell", "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 rat. The swarm can't regain hit points or gain temporary hit points.", "name": "Swarm"]